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Q. A 0.22kg arrow with a velocity of 15.00 m/s to the west strikes and pierces the center of a 3.00 kg target. What is the final velocity of combined mass? Answer in m/s.
What is the decrease in kinetic energy through the collision?
Q. A 35 g bullet moving at 475 m/s strikes a 2.50 kg wooden block. The bullet passes through the block, leaving at 275m/s. The block was at rest while it was hit. How fast is it moving when the bullet leaves?
A vessel whose walls are thermally insulated contains 2.10 of water and 0.450 of ice, all at the temperature of 0 . The outlet of a tube leading from a boiler in which water is boiling at atmospheric pressure is inserted into the water.
A 5.00 X 10-2 kg mass with a charge of +0.75 mC is hung by a thin insulated thread. A charge of -0.9 mC is held 0.15 meters directly to right so that the thread makes an angle q with the vertical. What is the angle q and the tension in the string.
If the highest acceleration the vehicle's brakes are capable of is -5 m/s2, what is the maximum reaction time of motorist that will allow her or him to keep away from hitting the deer.
The street automobile with the greatest acceleration is the Tempest. It has an acceleration of 6.89m/s2. Suppose the car accelerates from the rest to a final speed of 96.5km/h. How long does it take Tempest to reach this speed.
What is the beat frequency in Hz. A force of magnitude P pushes the block forward and downward as shown in the figure below. suppose the force is applied at an angle of 24.0° below the horizontal.
A race car has a mass of 718 kg. It starts from rest and travels 45.0 m in 3.0 s. The car is uniformly accelerated throughout the entire time. What net force is exerted on it.
How long after the arrow was shot must the apple be dropped, in order for the arrow to pierce the apple as the arrow hits the tree.
A 16 kg steel ball is launched from a cannon at an angle of 20 degrees above the horizontal. The cannon exerted an average force of 1200 Newtons on the ball during launch. Now that ball is in the air and has almost reached its target, what is the ..
Find density of the object
A runner of mass 51 kg runs around the edge of a horizontal turntable mounted on a vertical, frictionless axis through its center. The runner's velocity relative to the earth has magnitude 3.50 m/s. The turntable is rotating in the opposite direct..
At what distance from the ring's center is E maximum. How deep is the tank.
find the work done by the field on the electron. What is the change in potential energy associated with the electron.
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