How far from the base of the rock will she land
A tiger leaps horizontally from a 7.7 {rm m}-high rock with a speed of 3.0 {rm m/s}. How far from the base of the rock will she land?
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(a) How much work is required to pull him 70 m up a 30° slope (assumed frictionless) at a constant speed of 1.7 m/s? (b) How what HP moted would be needed.
A 2.97 kg steel ball strikes a massive wall at 11.7 m/s at an angle of alpha = 67.2° with the plane of the wall. It bounces off with the same speed and angle.If the ball is in contact with the wall for 0.228 s, what is the magnitude of the ave
By how much vertical distance does the ball clear the crossbar?
Determine the breakdown voltage for an argon filled chamber having electrode separation of 0.3 cm and first Townsend coefficient of 100 cm^-1 at STP. What will be the breakdown voltage if the gas in the chamber is replaced by helium?
A shot-putter throws the shot ( mass = 7.3 {rm kg}) with an initial speed of 15.0 {rm m/s} at a 36.0{rm ^circ} angle to the horizontal. Calculate the horizontal distance traveled by the shot if it leaves the athlete's hand at a height of 2.10 {rm
The kinetic energy of a rocket is increased by a factor of eight after its engines are fired, whereas its total mass is reduced by half through the burning of fuel. By what factor is the magnitude of its momentum changed? Hint: Use KE = p2/2m.
A 40.0-N crate starting at rest slides down a rough 6.00-m-long ramp, inclined at 30.0° with the horizontal. The magnitude of the force of friction between the crate and the ramp is 6.0 N. What is the speed of the crate at the bottom of the in
In a game of billiards, a red billiard ball is traveling in the positive x-direction with speed v and the cue ball is traveling in the negative x-direction with speed 3v when the two balls collide head on. Which statement is true concerning their
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