A slide loving pig slides down a 35° incline (Fig. 6-24)

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Get college assignment help at uniessay writers A slide loving pig slides down a 35° incline (Fig. 6-24) in twice the time it would take to slide down a frictionless 35° incline. What is the coefficient of kinetic friction between the pig and the slide?

A series RL circuit with L = 3.00 H and a

A series RL circuit with L = 3.00 H and a series RC circuit with C = 3.00 μF have equal time constants. If the two circuits contain the same resistance R, (a)what is the value of R and (b)what is the time constant?

A box of books weighing 352 N moves with a constant

A box of books weighing 352 N moves with a constant velocity across the floor when it is pushed with a force of 448 N exerted down- ward at an angle of 30.7◦ below the horizontal. Find μk between the box and the floor.

(a) What is the acceleration of two falling sky divers (mass

(a) What is the acceleration of two falling sky divers (mass 107.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?

two small plastic spheres are given negative charges.when they are 15cm

two small plastic spheres are given negative charges.when they are 15cm apart,the repulsive force between them has magnitude 0.22N. what is the charge on each sphere (a) if the two charges are equal? (b) af one sphere has four times the charge of the other?

A 63 Kg motorcycle is moving at a speed of 37

A 63 Kg motorcycle is moving at a speed of 37 m/s. If the motorcycle stops in a time of 0.05 seconds, how much force actd on the motorcycle to bring it to a stop?

A person can jump a horizontal distance of 2.0 m on

A person can jump a horizontal distance of 2.0 m on Earth. a) How far could the person jump on the moon, where the free-fall acceleration is g/6 and g = 9.81 m/s2? Answer in units of m.

A race car has a mass of 717 kg. It starts

A race car has a mass of 717 kg. It starts from rest and travels 43.0 m in 3.0 s. The car is uniformly accelerated during the entire time. What net force is exerted on it?

A playground merry-go-round of radius R = 1.99 m has a

A playground merry-go-round of radius R = 1.99 m has a moment of inertia of I = 289 kg * m2 and is rotating at 14.7 revolutions/min about a frictionless vertical axle. Facing the axle, a 27.8 kg child hops onto the merry-go-round and manages to sit down on its edge. What is the new angular speed (in revolutions per minute) of the merry-go-round?

A 1.33 kg mass is suspended from a string which is

A 1.33 kg mass is suspended from a string which is pulled upward. The mass accelerates upwards with an acceleration of 3.50m/s2. What is the tension in the string?

A rocket is fired vertically upward. At the instant it reaches

Get college assignment help at uniessay writers A rocket is fired vertically upward. At the instant it reaches an altitude of 2770 m and a speed of 288 m/s, it explodes into three equal fragments. One fragment continues to move upward with a speed of 285 m/s following the explosion. The second fragment has a speed of 372 m/s and is moving east right after the explosion. What is the magnitude of the velocity of the third fragment?

Coherent light with wavelength 609 nm passes through two very narrow

Coherent light with wavelength 609 nm passes through two very narrow slits, and the interference pattern is observed on a screen a distance of 3.00 {rm m} from the slits. The first-order bright fringe is a distance of 4.84 {rm mm} from the center of the central bright fringe.

A 1500 kg automobile travels at a speed of 90 km/h

A 1500 kg automobile travels at a speed of 90 km/h along a straight concrete highway. Faced with an emergency situation, the driver jams on the brakes, and the car skids to a stop. (a) What will be the car’s stopping distance for dry pavement (µ = 0.85)? ____m (b) What will be the car’s stopping distance for wet pavement (µ = 0.60)? ____m

A 120 g air-track glider is attached to a spring. The

A 120 g air-track glider is attached to a spring. The glider is pushed in 10.0 cm and released. A student with a stopwatch finds that 8.00 oscillations take 14.5 s. What is the spring constant?

Two horizontal curves on a bobsled run at the same angle,

Two horizontal curves on a bobsled run at the same angle, but one has twice the radius of the other. The safe speed (no friction needed to stay on the run) for the smaller radius to curve is v. What is the safe speed on the larger radius curve?

A 10.5 kg uniform board is wedged into a corner and

A 10.5 kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Calculate the tension in the string. Hint: take torques about the corner and assume any lenght for the board.

Suppose a newly found elementary particle has an average lifetime, T

Suppose a newly found elementary particle has an average lifetime, T = 21.3 ns, when at rest. For example, a charged pion has a lifetime T ± = 26.030 ns. The pion usually decays into a muon and a neutrino: ! μ μ . In order for this new elementary particle to travel 9.5 m in one lifetime, how fast must it be moving relative to the velocity of light? In other words, find v/c

A 600-kg car is going around a banked curve with a

A 600-kg car is going around a banked curve with a radius of 110 m at a speed of 24.5 m/s. What is the appropriate banking angle so that the car stays on its path without the assistance of friction?

A 1.5 kg block is connected by a rope across a

A 1.5 kg block is connected by a rope across a 50 cm-diameter, 2.0 kg, frictionless pulley, as shown in the figure. A constant 10 N tension is applied to the other end of the rope. Starting from rest, how long does it take the block to move 30 cm

For the geometry depicted in the figure below, calculate the energy

For the geometry depicted in the figure below, calculate the energy transferred to charged particle, E(tr), and the net energy transferred inside the volume encompassed by the circle. Interaction A is a Compton interaction, B is bremsstrahlung production, C is pair production, and D is positron annihilation. Assume that electrons t2 and T4 and positron T3 expend all kinetic energy within the volume

It has been suggested that rotating cylinders about 12 mi long

It has been suggested that rotating cylinders about 12 mi long and 5.1 mi in diameter be placed in space and used as colonies. What angular speed must such a cylinder have so that the centripetal acceleration at its surface equals the free-fall acceleration on Earth?

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