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A 40-kg football player leaps through the air to collide with andtackle a 60-kg player heading toward him, also in the air. If the 40-kg player is heading to the right at 7.0 m/s, and the 60-kgplayer is heading toward the left at 3.0 m/s, what is the speed and direction of the tangled players?
a 0.145-kg baseball pitched at 37.0 ms is hit on a horizontal line drive straight back toward the pitcher at 50.5 ms .
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 14.0 m/s at an angle 61.0 degrees; How high above the ground will the ball be when it gets to Julie
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. find the speed of a satellite in geosynchronous orbit
Hydraulic engineers often use, as a unit of volume of water, the "acre-foot", defined as volume of water that will cover 1 acre of land to a depth of 1 ft. A severe thunderstorm dumps 2.0 in. of rain in 30 min on a town of area 35 km2. What volume..
A baseball is hit straight up andis caught by the catcher 2.0 s later. What is the maximum height of the ball during this interval?
A motorcycle, which has an initial linear speed of 9.1 m/s, decelerates to a speed of 2.0 m/s in 4.5 s, calculate the angular displacement (in rad) of each wheel
What is the work completed by the block and tackle system?
suppose a carnot refrigerator is used to cool the interior of a food storage locker from room temperature to 5degc. as
a uniform electric field of magnitude 435 nc pointing in the positive x-direction acts on an electron which is
A crate is sliding down a ramp that is inclined at an angle of38.0o above the horizontal. Find the acceleration of the moving crate
a nylon rope of length 25.0 is under a tension of 1.30 x 10^4 N. The total mass of this rope is 2.30 kg. how long does it take to reach the other end
A particle of rest energy mc^2 is moving with speed v in the positive x direction. The particle decays into two particles, each of rest energy 140 MeV. Find the rest energy of the original particle
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