Science

PhysicsQ&A Library2. +-12 points SerCP10 2.P.014 My Notes A tortoise can run with a speed of 0.12 m/s, and a hare can run 20 times as fast. In a race, they both start at the same time, but the hare stops to rest for 1.0 minutes. The tortoise wins by a shell (40 cm) (a) How long does the race take? (b) What is the length of the race?Start your trial now! First week only $4.99!*arrow_forward*

Question

Tagged in

Science

Physics

Find answers to questions asked by students like you.

Q: A 3.2 kg block is hanging stationary from the end of a vertical spring that is attached to the ceili...

A: The mass of the first block =m1=3.2kg.The elastic potential energy corresponding to block with mass ...

Q: The initial temperature of 13 moles of an ideal gas is 358 K. 18000 J of heat are added to the gas a...

A: It is given that on adding heat energy, gas gets expanded. It means that volume of gas gets changed....

Q: the x and y components of a vector in a horizontal plane are 4.00 m and 3.00 m, repectively. (a) wha...

A: The x-component of the vector is 4.00 m and the y-component of the vector is 3.00 m.

Q: The current i through a 5.3 H inductor varies with time t as shown by the graph of the figure. The i...

A: Write the expression for the induced emf in a inductor.

Q: Determine the equivalent capacitance for the group of capacitors in the drawing. Let all capacitors ...

A: Consider the figure 1.

Q: Can you show me how to work this with the formulas?

A: a)The ideal gas equation is,

Q: 26. An 80.0-kg skydiver jumps out of a balloon at an alti- tude of 1 000 m and opens his parachute a...

A: (a)Without parachute, the acceleration is,

Q: A soft tennis ball is dropped onto a hard floor from a height of 1.90 m and rebounds to a height of ...

A: It seems that there are multiple parts in the question,In one session we are allowed to answer only ...

Q: A capacitor with initial charge q0 is discharged through a resistor. What multiple of the time const...

A: Charge is given by,

Q: A 2.60-kg hoop 1.80 m in diameter is rolling to the right without slipping on a horizontal floor at ...

A: Case 1 : Viewed by person at rest.Since the loop is rolling without slipping the velocity vector can...

Q: While shopping in a grocery store you look up at a convex security mirror. You notice that your imag...

A: The equation of magnification of the convex mirror is given in equation (I).

Q: A car goes around a curve with a radius of 120 m. The car goes through an angle of 60 degrees at a c...

A: (a) The distance covered by the car around a circle of radius r=120m, as it goes through an angle of...

Q: A uniform electric field has a magnitude of 10 N/C and is directed upward. A charge brought into the...

A: Magnitude of charge q is,

Q: The Sun and Earth each exert a gravitational force on the Moon. What is the ratio FSun/FEarth of the...

A: The expression for ratio of these two forces is,

Q: 3-74 A 6-m-high, 5-m-wide rectangular plate blocks ihe end of a 5-m-deep freshwater channel, as show...

A: The forces acting on the ridge can be calculated using given steps:

Q: Wire C and wire D are made from different materials and have length LC = LD = 3.1 m. The resistivity...

A: The electric potential difference between point 1 and 2 is the potential drop in wire C.Write the ex...

Q: while studying for this quiz you realize that you still have 100g of lukewarm coffee at 40 degree C ...

A: According to the theory of temperature of mixing, when two substances of different temperatures are ...

Q: The body in the figure is pivoted at O. Three forces act on it in the directions shown: FA = 11.0 N ...

A: Given:A body pivoted at point O.Some forces are acting on the body. We have to find the net torque ...

Q: in order to find the depth of a well, you drop a stone into it and time its fall. it hits the water ...

A: Depth of the well is,

Q: A water tower is a familiar sight in many towns. The purpose of such a tower is to provide storage c...

A: Mass of water stored in the reservoir is 7.16×5 kg, and density of water is 1000 kg/m3The volume of ...

Q: Chapter 28, Problem 006 Your answer is partially correct. A proton moves through a unform magneic te...

A: Given:

Q: The hydrogen atom consists of a proton of mass 1.67 × 10-27 kg and an orbiting electron of mass 9.11...

A: The equation for the gravitational force is given by

Q: In the hydraulic press used in a trash compactor, the radii of the input piston and the output plung...

A: Given,

Q: At their closest approach, Venus and Earth are 4.20 × 1010 m apart. The mass of Venus is 4.87 × 1024...

A: Force exerted by venus on earth is,

Q: What net external force is exerted on a 1350-kg artillery shell fired from a battleship if the shell...

A: To find:The mass of the artillery shell is given as 1350 kg and it accelerates 2.2 x 104 m/s2 . We n...

Q: The riders push on the mower with a constant force of 45 Newtons for an hour.Using v = 0.40 m/sec, t...

A: Given:

Q: In the figure six charged particles surround particle 7 at radial distances of either d = 26.0 cm or...

A: The net magnitude of the electrostatic field on the particle 7 can be calculated in given steps:Give...

Q: An object that weighs 75 N is pulled on a horizontal surface by a horizontal pull of 50 N to the rig...

A: Given weight of the object =75 NWeight = mg =75Mass of the object = 75/g = 75/9.8 = 7.653 kg.Pullin...

Q: You push a shopping cart filled with groceries (total mass = 20 kg) by applying a force to the cart ...

A: The direction of displacement of cart will be in the horizontal direction. Take the component of for...

Q: Three point-like charges are placed at the corners of a square as shown in the figure, 48.0 cm on ea...

A: The electric potential at empty corner is due to the electric potential due to charge q1, q2,and q3....

Q: An electric motor has an effective resistance of 33.4 Ω and an inductive reactance of 49.4 Ω when wo...

A: Write the expression for the rms current of a LR circuit.

Q: An aerialist on a high platform holds on to a trapeze attached to a support by an 8.0-m cord. (See t...

A: The figure shows the free body diagram of aerialist on a platform holds on to trapeze.

Q: How long does it take electrons to get from a car battery to the starting motor? Assume the current ...

A: Time taken by electrons is,

Q: 2 meters long metal bar is heated from 25 degrees to 75 degrees It Cxpan ded by 0.002 meter what is ...

A: Write the expression for coefficient of thermal expansion.

Q: Two manned satellites approaching one another at a relative speed of 0.550 m/s intend to dock. The f...

A: Let m1 and m2 be the mass of first and second satellite respectively.Assuming the initial velocity o...

Q: 127 CHAPTER 3 tom of the tank when the elevator is (a) stationary, (b) mov- ing up with an upward ac...

A: (i) Consider the figure when water tank is in stationary elevator.Here, h is the height of this liqu...

Q: Two manned satellites approaching one another at a relative speed of 0.300 m/s intend to dock. The f...

A: Given,

Q: A horizontal, 2.00 m long, 3.00 kg uniform beam that lies along the east-west direction is acted on ...

A: The expression for the net torque about the center of mass of the beam,

Q: An air-filled parallel-plate capacitor has a capacitance of 1.6 pF. The separation of the plates is ...

A: The parallel plate capacitor diagram is given by:

Q: If f=+150mm (lens), what kind of lens is it? Convex or concave?

A: Focal length is the distance over which the parallel rays of light either converge or diverge. For a...

Q: State how many significant figures are proper in the results of the following calculations: (a) (106...

A: Given,

Q: Chapter 28, Problem 055 Your answer is partially correct. Try again. Two concentric, circular wire l...

A: Given:Radius of inner loop, r1= 29.4 cm = 0.294 mRadius of outer loop, r2 = 50.3 cm = 0.503 mCurrent...

Q: Can you show how to work this please?

A: The ideal gas equation is,

Q: A 600.00 N ballast is hung from the end of a wire of cross-sectional area 0.0000010 m^2. The wire st...

A: a)The stress on the wire is,

Q: In the figure ε = 14.2 V, R1 = 1290 Ω, R2 = 3490 Ω, and R3 = 3650 Ω. What are the potential differen...

A: By symmetry, in the circuit, we can say that the current in the equals resistance are the same. In R...

Q: The figure shows a Gaussian surface in the shape of a cube with edge length 1.60 m. What are (a) the...

A: Hey, since there are multiple subparts posted, we will answer first three subparts. If you want any ...

Q: A plane leaves Seattle, flies 78.0 mi at 20.0 ∘ north of east, and then changes direction to 55.0 ∘ ...

A: The diagram showing the motion of the plane is shown below.

Q: The half-life of iodine-131 (131I)(131I), an isotope used in the treatment of thyroid disorders, is ...

A: Write the relation between decay constant to the half life.

Q: a box is moved 10 m across a smooth floor by a force making a downward angel with the floor, so that...

A: Work done is,

Q: The cannon on a battleship can fire a shell a maximum distance of 36.0 km. (a) Calculate the initi...

A: Given:The maximum distance upto which the shell can be fired from the canon aboard a battleship is, ...