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A 1100-kg car is moving at 31.8 m/s. A braking force of -5101 N is applied for 4.80 s. What is the velocity of the car when the brakes are released?
A 0.700-kg ball is on the end of a rope that is 2.50 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, What is the tangential speed of the ball
It has been claimed that an insect called the froghopper (Philaenus spumarius) is the best jumper in the animal kingdom, What is the velocity of the insect after it has accelerated through this short distance
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of 24.76 m/s in the +x direction. What is the velocity of the ball after leaving the bat
q1. an alpha particle m 6.7 acute 10-27 kg q 3.2 acute 10-19 c has a speed of 20 kms at point a and moves to point b
A steel bicycle wheel (without the rubber tire) is rotating freely with an angular speed of 14.9 rad/s. What is the angular speed of the wheel at the higher temperature
The star Alpha goes supernova. Ten years later and 80 ly away, as measured by astronomers in the galaxy, star Beta explodes. what is the time between the explosions
A cup of water is heated with a heating coil that delivers 14.87W of heat. What is the mass of the water
A uniform upward directed electric field of magnitude 1.4*10^-6 N/C has been setup between tow horizontal plates by charging the lower plate positively abnd the lower plate negatively, what is the vertical deflectio of the mass when it exits the pl..
What is the magnitude of the normal force. What is the total translational kinetic energy of gas molecules.
Two negative and two positive point charges (magnitude = 3.64mC) are positioned on opposite corners of a square (each side = 0.155 m).Determine the magnitude of the force on each charge.
One end of a metal rod is in contact with a thermal reservoir at 691 K, and the other end is in contact with a thermal reservoir at 105 K. what is the change in entropy of the rod
A ball of mass M = 17 kg is suspended from a vertical inextensible string of length l = 1.5 m. A bullet of mass m = M/2 traveling with a horizontal velocity v = 9sqrt(g*L) collides with the ball, What is the velocity of the ball-bullet system
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