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Actually change inKE final -initial, but i have taken reverse to eliminate negative sign . this negative sign indiscates loss in KE
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A sled slides along horizontal frictionless ice as it moves under a bridge. A child drops...
A 1.25kg hockey puck (puck A) slides across a frictionless sheet of ice and collides with...
A 1.25kg hockey puck (puck A) slides across a frictionless sheet of ice and collides with a puck of unknown mass (puck B) head on. The collision is completely elastic, which means no kinetic enegy is lost in the collision. After the collision, puck A moves in the opposite direction at half of its initial speed. Find the mass of puck B.
A block of ice slides along a frictionless horizontal track with a speed of 1.2 m/s....
A block of ice slides along a frictionless horizontal track with a speed of 1.2 m/s. At the end of the track is a horizontally mounted spring. The ice block slides along the track until it makes contact with the spring causing it to compress. What is the speed of the ice block when the spring has been compressed by 60% of the maximum compression length?
PSIA A block of ice slides along a frictionless horizontal track with a speed of 12...
PSIA A block of ice slides along a frictionless horizontal track with a speed of 12 ms. At the end of the track is a horizontally mounted spring The lo block sides along the track until it makes contact with the spring causing to compress. What is the speed of the ice block when the spring has been compressed by 60% of the maximum compression length between 0 and 105 mis between 0 15 and 30' between 0 and 0.75...
A rubber block (m= 20.0g) slides along a frictionless table at v=2.00m/s directly towards a steel...
A rubber block (m= 20.0g) slides along a frictionless table at v=2.00m/s directly towards a steel block (m= 0.0500kg), which is at rest on the table. After an inelastic collision, in which 25% of the system's kinetic energy is lost, the rubber block rebounds the way it came at a reduced speed. Determine the speed of each block after the collision. (Is there a way to solve without quadratic?)
A 10 kg mass slides along a frictionless plane inclined at 38 degrees to the horizontal....
A 10 kg mass slides along a frictionless plane inclined at 38 degrees to the horizontal. It is connected to a string threaded through a pulley and over the edge of the incline. The string has a second mass of 14 kg suspended from it. Determine the velocity of the system after it has moved 13 cm. Using the non-conservative work energy theorem
A hucket drops sand vertically onto a moving conveyor-belt at the rate of 5.70 kgis. The rubber c...
A hucket drops sand vertically onto a moving conveyor-belt at the rate of 5.70 kgis. The rubber conveyor-belt is supported by wheels (frictionless) and moves at a constant speed of tha motor that drivas the belt. - D.710 m/s under the action of a constant horizontal axternal force supplied by Figure P9.87 (a) Find the sands rate of change of momentum in the horizontal direction. (b) Find the force ot friction exerted by the belt on the sand (c) Find...
Block 1, of mass m1 = 1.10 kg , moves along a frictionless air track with...
Block 1, of mass m1 = 1.10 kg , moves along a frictionless air track with speed v1 = 29.0 m/s . It collides with block 2, of mass m2 = 45.0 kg , which was initially at rest. The blocks stick together after the collision. (Figure 1) Find the magnitude pi of the total initial momentum of the two-block system. Find vf, the magnitude of the final velocity of the two-block system. What is the change ΔK=Kfinal−Kinitial in the...
5. Hockey pucks A and B have masses mA 2kg and mB -4kg and slide towards each other on ice. The ice is very smooth so friction is negligible. Below is a top view of the system before the hockey pucks...
5. Hockey pucks A and B have masses mA 2kg and mB -4kg and slide towards each other on ice. The ice is very smooth so friction is negligible. Below is a top view of the system before the hockey pucks collide: 0 i.B ● m13 a) A initially slides horizontally to the right with a speed of 15m/s and B initially slides with a speed of 5m/s at an angle θ 36.87 as shown above. If the pucks stick...
Block 1, of mass m1 = 2.30 kg, moves along a frictionless air track with speed...
Block 1, of mass m1 = 2.30 kg, moves along a frictionless air track with speed v1 = 31.0 m/s. It collides with block 2, of mass m2 = 13.0 kg, which was initially at rest. The blocks stick together after the collision. A) Find the magnitude pi of the total initial momentum of the two-block system. B) Find vf, the magnitude of the final velocity of the two-block system C)What is the change ΔK=Kfinal−Kinitial in the two-block system's kinetic...
An 8.57 kg mass moving east at 14.1 m/s on a frictionless horizontal surface collides with...
An 8.57 kg mass moving east at 14.1 m/s on a frictionless horizontal surface collides with a 10.9 kg mass that is initially at rest. After the collision, the 8.57 kg mass moves south at 2.50 m/s. What is the magnitude of the velocity of the 10.9 kg mass after the collision? Tries 0/8 Submit Answer What is the angle relative to the east? Submit Answer Tries 0/8 What percentage of the initial kinetic energy is lost in the collision?...
PSIA A block of ice slides along a frictionless horizontal track with a speed of 12 ms. At the end of the track is a horizontally mounted spring The lo block sides along the track until it makes contact with the spring causing to compress. What is the speed of the ice block when the spring has been compressed by 60% of the maximum compression length between 0 and 105 mis between 0 15 and 30' between 0 and 0.75...
A hucket drops sand vertically onto a moving conveyor-belt at the rate of 5.70 kgis. The rubber conveyor-belt is supported by wheels (frictionless) and moves at a constant speed of tha motor that drivas the belt. - D.710 m/s under the action of a constant horizontal axternal force supplied by Figure P9.87 (a) Find the sands rate of change of momentum in the horizontal direction. (b) Find the force ot friction exerted by the belt on the sand (c) Find...
5. Hockey pucks A and B have masses mA 2kg and mB -4kg and slide towards each other on ice. The ice is very smooth so friction is negligible. Below is a top view of the system before the hockey pucks collide: 0 i.B ● m13 a) A initially slides horizontally to the right with a speed of 15m/s and B initially slides with a speed of 5m/s at an angle θ 36.87 as shown above. If the pucks stick...
An 8.57 kg mass moving east at 14.1 m/s on a frictionless horizontal surface collides with a 10.9 kg mass that is initially at rest. After the collision, the 8.57 kg mass moves south at 2.50 m/s. What is the magnitude of the velocity of the 10.9 kg mass after the collision? Tries 0/8 Submit Answer What is the angle relative to the east? Submit Answer Tries 0/8 What percentage of the initial kinetic energy is lost in the collision?...
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