Physics question and answers for May 19, 2024
- Q 7 29 A 1000 kg car moving at 20 m s hits a 2000 kg parked car head on How much mechani cal energy is dissipated if the collision is...
- Q 2 A 6 2 kg object heading north at 3 0 m s collides with an 8 0 kg object heading west at 3 5 m s If these two...
- Q 41 II A dad pushes tangentially on a small hand driven merry go round and is able to accelerate it from rest to a frequency of 15 rpm in 10...
- Q large 10 kg sports ball is caught by a 70 kg student on the track team If the ball was moving at 4 0 and the student was stationary before...
- Q An 0 010 kg bullet is fired down the barrel of a gun which is pointed to the left The bullet accelerates from rest to a velocity of 400 What...
- Q Dynamics cart 1 has a mass of 0 84 kg and is initially moving at 4 2 m s right Cart 1 undergoes an elastic head on collision with dynamics...
- Q A neutron of mass 1 7 x 10 27 kg travelling at 2 2 km s hits a stationary helium nucleus of mass 6 6 x 10 27 kg After...
- Q Your classmate makes the following statement For a head on elastic collision between two object of equal mass the after collision velocities of the objects are at right angles to...
- Q A hockey puck of mass 0 16 kg sliding on a nearly frictionless surface of ice with a velocity of 2 0 m s E strikes a second puck at...
- Q 1 Two balls of equal mass undergo a collision see Figure 6 Ball 1 is initially travelling horizontally with a speed of 10 0 m s and ball 2 is...
- Q Two hockey pucks of equal mass approach each other Puck 1 has an initial velocity of 20 0 m s S 45 E and puck 2 has an initial velocity...
- Q A carbon 14 nucleus initially at rest undergoes a nuclear reaction known as beta decay The nucleus emits two particles horizontally one with momentum 7 8 x 10 21 kg...
- Q An automobile collides with a truck at an intersection The car of mass 1 4 10 kg is travelling at 32 km h S the truck has a mass of...
- Q 3 Frictional forces are large for colliding vehicles during a car crash Is conservation of momentum 5 4 still useful in analyzing these crashes MCOBJ
- Q 2 A block of ice of mass 50 0 g slides along a frictionless frozen lake at a speed of 0 30 m s It collides with a 100 0...
- Q Exercise 7 18 A constant force F acts on a particle of mass m initially at rest What is 0 t its rapidity at time t Force is still the...
- Q 1 A 1 4 x 10 kg car is westbound at a velocity of 37 0 km h when it collides with a 2 0 x 10 kg truck northbound...
- Q 4 A 50 0 kg object is moving east at an unknown velocity when it collides with a 60 0 kg stationary object After collision the 50 0 kg object...
- Q 6 A watermelon explodes into three equal masses One mass moves east at 15 0 m s If a second mass moves at a velocity of 10 0 m s...
- Q embedded in the edge of a solid disk of mass M 3 2kg and radius R 0 5m The cylinder is free to rotate around its axis and is initially...
- Q 5 A bullet with a mass of 45 g is fired into a 8 3 kg block of wood resting on a floor against a spring This ideal spring k...
- Q is conserved for all collisions served conserved although 5 Two skaters are studying collisions on an ice covered frictionless lake Skater 1 has a mass of 95 kg and is...
- Q Two people are riding inner tubes on an ice co frictionless lake The first person has a mass a 85 kg and is travelling with a speed of 6 5...
- Q Explain how this The particles in Figure 6 undergo an elastic collision in one dimension Particle 1 has mass 1 5 g and particle 2 has mass 3 5 g...
- Q pizza chef tosses a spinning ball of dough into the air The centrifugal force produced by the spin causes the dough to stretch out from a spherical ball to a...
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