Physics question and answers for May 18, 2024
- Q You are holding a shopping basket at the grocery store with two 0.63-kg cartons of cereal at the left end of the basket. The basket is 0.91 m long. Where...
- Q If the speed of the dart is vo just before it strikes the apple, how high does the apple move upward because of its collision with the dart? Express your...
- Q Consider the following two-car accident: Two cars of equal mass m collide at an intersection. Driver E was traveling eastward, and driver N, northward. After the collision, the two cars...
- Q Two cars collide at an intersection. Car A, with a mass of 1900 kg, is going from west to east, while car B, of mass 1400 kg, is going from...
- Q What must be the minimum initial speed of the dart so that the combination makes a complete circular loop after the collision? Express your answer with the appropriate units.
- Q On a frictionless, horizontal air table, puck A (with mass 0.240 kg) is moving toward puck B (with mass 0.355 kg), that is initially at rest. After the collision, puck...
- Q Find the position of the center of mass of the system of the sun and Jupiter. (Since Jupiter is more massive than the rest of the planets combined, this is...
- Q Radius of gyration of a body about an axis at a distance of 4 cm from its centre of mass is8 cm. The radius of gyration about a parallel axis...
- Q A 9.00 kg mass is moving to the right with a velocity of 14.0 m/s. A 12.0 kg mass is movingto the left with a velocity of 5.00 m/s. Assuming...
- Q Two campers dock a canoe. One camper steps onto the dock. This camper has a mass of 80 kg and moves forward at 4.0 m/s. With what speed and direction...
- Q Suppose that you have a mass of 45.7 kg and are standing on frictionless roller skates.Someone then throws you a 2.50 kg mass with a velocity of 14.5 m/s and...
- Q Problem 9.36- Enhanced - with Feedback A 750-kg car stopped at an intersection is rear- ended by a 1800-kg truck moving with a speed of 14.0 m/s. You may want...
- Q A 51-kg person walks due north with a speed of 1.1 m/s, and her 6.8-kg dog runs directly toward her, moving due south, with a speed of 2.0 m/s.-Part AWhat...
- Q Two ice skaters, with masses of 50.0 kg and 85.0 kg, are at the center of a 60.0 m -diameter circular rink. The skaters push off against each other and...
- Q Three identical train cars, coupled together, are rolling east at speed vo. A fourth car traveling east at 200 catches up with the three and couples to make a four-car...
- Q A 1600 kg car is rolling at 1.9 m/s. You would liketo stop the car by firing a 8.0 kg blob of sticky clayat it.Part AHow fast should you fire...
- Q A 18.00 kg lead sphere is hanging from a hook by a thin wire 2.80 m long and is free to swing in a complete circle. Suddenly it is struck...
- Q A large 100 kg mass is travelling right at 20 m/s while a smaller 50 kg mass istravelling to the left at an unknown velocity.What would that velocity have to...
- Q An object of mass 6 kg moving with a speedof 24 m/s to the right collides with an objectof mass 7 kg at rest. If the collision is completely inelastic,calculate...
- Q A proton (m = 1.67 10-27 kg) traveling at 2.50 105 m/s collides with anunknown particle initially at rest. After the collision, the proton reversesdirection and travels at 1.10 x...
- Q Two cars collide head on. Initially, automobile A (m= 1700.0 kg) is travelingat 10.00 m/s north and automobile B is traveling at 25.00 m/s south. Afterthe collision, automobile A reverses...
- Q A 0.140-kg baseball is dropped from rest from a height of 2.0 m above the ground. It rebounds to a height of 1.5 m. What change in the ball's momentum...
- Q A 600-g mass traveling at 8.0 m/s undergoes a head-on elastic collision with a 200-gmass traveling toward it also at 8.0 m/s. What is the speed of the 200-g mass...
- Q A fire hose is turned on the door of a burning building in order to knock the door down. This requires a force of 1000 N. If the hose delivers...
- Q A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed of 10 m/s. A 70-kg stunt man drops straight down a distance...
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