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Kenny throws a basketball which has an initial speed v0. When the ball gets to its minimum speed sometime before striking the ground, its speed is v0/6. What was the initial angle of the ball?
When cars are equipped with flexible bumpers, they will bounce off each other during low-speed collisions, thus causing less damage. What was the speed of the lighter car just after the collision
Runner A is initially 8.6 km west of a flagpole and is running with a constant velocity of 5.2 km/h due east. What will be the distance of the two runners from the flagpole
The speed of a 1kg object is 2.0m/s (+/-) .05m/s, meaning its absolute uncertainty is .5m/s, calculate the absolute uncertainty in the kinetic energy
A constant force applied to object A causes it to accelerate at 6 m/s^2 .The same force applied to object B causes an acceleration of 3 m/s^2. Which object has the smallest mass
The centers of a 14kg lead ball and a 130g lead ball are separated by 7.0cm. What gravitational force does each exert on the other
You are driving down the road when you see a deer in your headlights. It takes you 0.5 seconds to react. Once you react you start braking, and you decelerate at 3m/s2. What was your speed before you hit the brakes
A pendulum, consisting of a ball of mass m on a light string of length 1.00 m, is swung back to a 45° angle and released from rest. What is the block's speed after the collision
A man strikes a nail with a 1kg hammer. The speed of the hammer just before it strikes the nail is 5m/s, What is the force exerted on the nail by the hammer
Two ice skaters, with masses of 30.0kg and 75.0kg , are at the center of a 30.0m -diameter circular rink. how long does the lighter skater take to reach the edge
A basketball player makes a jump shot. The 0.607 kg ball is released at a height of 1.97 m above the floor with a speed of 7.22 m/s, What is the work done on the ball by air resistance
A sample of a gas occupies 5.25 m^3 at an absolute pressure of 1.00atm & temp of 20 degrees C: calculate the pressure in the gas sample if the volume is held at 5.25 m^3 while the temp is lowered to negative 40 degrees C
Water flows through a horizontal tube of diameter 3.0 m that is joined to a second horizontal tube of diameter 2.2 . The pressure difference between the tubes is 8.0 kpa . Find out the speed of flow in the first tube.
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