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 traveling with a velocity of -2 m/s. If the collision is perfectly elastic, the velocities of the bowling balls after the collision is:
a. 5 m/s and 0
b. -2 m/s and 3 m/s
c. 2 m/s and -3 m/s
d.-2 m/s and -3 m/s
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:
a. 4..0 kg
b. 0.4
c. 1.3 kg
d.1.6 kg
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- on and elastically with a stationary object of mass 0.5 kg. The velocity of the 2 kg mass after the collision is:
a. 1 m/s
b. 1.5 m/s
c. 2.3 m/s
d. 1.8 m/s
Physics Force & Laws Of Motion Level: Misc Level
2 balls of equal mass hits 5 balls of equal mass. what direction are the balls dispersed?
Physics Force & Laws Of Motion Level: Misc Level
(a) Calculate the momentum of a 2000 Kg elephant charging a hunter at a speed of 7.50 m/s.(b)Compare the elephant,s momentum with that of a 0.0400 Kg bullet fired at a speed of 600 m/s. (c) What is the momentum of the 90.0 Kg hunter running at 7.40 m/s affter missing the elephant?
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.)
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?
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
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?
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.
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?
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?
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?
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:
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:
