6092

Physics Force & Laws Of Motion Level: Misc Level

A cruise ship with a mass of 1.00x 10 to the 7 th power kg strikes a pier at a speed of 0.750 m/s, and comes to rest after traveling 6.00 m,  damaging the ship, the pier, and the tugboat captain,s finances. Calculate the average force exerted on the pier using the concept of impulse.(Hint:Fist calculate the time it took to bring the ship to rest.)


6091

Physics Force & Laws Of Motion Level: Misc Level

A bullet is accelerated down the barrel of a gun by hot gases prodouced in the combustion of gun power, What is the average force exerted on a 0.0300 kg bullet to accelerate it to a speed of 600 m/s in a time of 2.00 x10 to the negative 3s?


6090

Physics Force & Laws Of Motion Level: Misc Level

A bowling ball is released with a velocity of 6 m/s but with no angular velocity as it touches the alley floor. Compute the distance traveled by the ball before it begins to roll without slipping. The coefficient of friction k between the ball and the floor is such that k*g=2 m/s/s. Give your answer in meters


6046

Physics Force & Laws Of Motion Level: Misc Level

what is the maximum speed a 1000 kg car can go through a curve with a radius of 75 m (without skidding)is the coefficient of friction between the tires and the road is 0.50?


6043

Physics Force & Laws Of Motion Level: Misc Level

A 92 kg car rounds an unbanke curve at a speed of 25 m/s. If the radius of the curve is 72m. what is the minimum coefficent of friction between the car and the road required so that the car does not skid.


6042

Physics Force & Laws Of Motion Level: Misc Level

A car with a mass of 822 kg rounds an unbanked curve in the road at a speed of 100 km/h. If the radius of the curve is 1.05 km, what is the average centripetal force exerted on the car by the tires?


6002

Physics Force & Laws Of Motion Level: Misc Level

A dog ,whose paw has an area of 10.0 cm2, has a mass of 13.0 kg What average pressure does the dog exert while standing?


5997

Physics Force & Laws Of Motion Level: Misc Level

Atmospheric pressure at sea level is about 1.0x105 Pa. How much force does the atmosphere exert on a driveway that is 30.0 m long and 6.0 m wide?


5946

Physics Force & Laws Of Motion Level: Misc Level

A 3 kg bowling ball traveling with a velocity of 3 m/s collides head on with another bowling ball of the same mass trveling with a velocity of -2.m/s.If the collision is perfectly elastic the velocities of the bowling ball after the collision is:


5944

Physics Force & Laws Of Motion Level: Misc Level

The Magnitude of the momentum of a particle is 32 kg m/s at a certain instant. If the velocity has a magnitude of 20 m/s at that instant, the mass of the particle is:


5942

Physics Force & Laws Of Motion Level: Misc Level

A 300g baseball traveling at 30 m/s is truck by a bat in the direction from which it came at 40 m/s find the impulse of the force on the baseball.


5934

Physics Force & Laws Of Motion Level: Misc Level

An object with a mass of 2 kg traveling with a velocity of 3 m/s collides head- on and elastically with a stationary object of mass 0.5 kg. The velocity of the 2 kg mass after the collision is?


5932

Physics Force & Laws Of Motion Level: Misc Level

A 200 g ball hits a wall perpendicularly with a velocity of 30 m/s and rebounds back perpendicularly with a velocity of 20 m/s. If the collision last for 5 milliseconds. Find the average force exerted by the ball on the wall.


5929

Physics Force & Laws Of Motion Level: Misc Level

The Artic Snow Train has a mass of 4.00 x 10 to the 5 th power kg and a top speed of 32.0 km/hr. Suppose such a train moving at top speed is hit from behind by another snow train with a mass of 1.60 x10 to the 5 th power kg and a speed of 45.0 km/hr in the same direction. what velocity of the two trains if they move off together after the collision?


5928

Physics Force & Laws Of Motion Level: Misc Level

An English Mastiff with a mass of 155 kg jumps forward horizontally at a speed of 6.0 m/s into a boat floating at rest. After the jump, the boat and the dog move with a velocity of 2.2 m/s forward . Calculate the boat's mass.


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