54) A boy of mass 50 kg running at 5 m/s jumps on to a 20 kg trolley travelling in the same direction at 15 m/s. What is their common velocity?
Q: A 750-kg car stopped at an intersection is rear- ended by a 1730-kg truck moving with a speed of…
A: Given data *The mass of the car is mc = 750 kg *The mass of the truck is mt = 1730 kg *The speed of…
Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…
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Q: 2) A boy puts a firecracker in a crack of a rock of mass m. He lights the firecracker and when it…
A:
Q: 11.) A woman with a mass of 50 kg runs at a speed of 10 m/s and jumps onto a giant 30 kg skateboard…
A:
Q: A pitcher throws a 0.8 kg ball of clay at a 5 kg block of wood. The clay sticks to the wood on…
A: The law of momentum conservation states that the momentum in a perfectly elastic collision is always…
Q: A 35 kg girl running 2.3 m/s jumps into a stationary 8.0 kg wagon. What is the speed of the…
A:
Q: 22 - A bullet with mass m = 2g fires towards a wooden block of mass M = 10kg and collides completely…
A: Given : A bullet with mass (m) = 2 g A wooden block of mass (M) = 10 kg The common velocity of the…
Q: A 0.036-kg pet lab mouse sits on a 0.35-kg air-track cart, as shown in (Eigure 1). The cart is at…
A: To solve the given question we will use the conservation of momentum.
Q: A basketball of mass 0.6kg is dropped from rest. Just before striking the floor, it has a momentum…
A:
Q: Water leaves a hose at a rate of 2.8-kg per 2.1-s with a speed of 15.9-m/s and is aimed at a toy car…
A: Given, mass, m = 2.8 kg time, t = 2.1 s final velocity,…
Q: A car – truck crash can be modelled as a ‘head-on’ collision between a truck of mass 4000 kg…
A: The required speed of the car immediately after collision is,
Q: A car traveling north at 30m/s has a mass of 1500 kg. It hits a second car of mass 1000 kg and they…
A:
Q: Calculate the final velocity right after a 18 kg rugby player who is initially running at 7.15 m/s…
A: mmvf-vi=F∆t
Q: What is the velocity (in m/s) of a 950 kg car initially moving at 25.0 m/s, just after it hits a 145…
A:
Q: A 700- kg car collides with a 1500- kg car that was initially at rest at the origin of an x-y…
A:
Q: 13) A small go-cart with mass 21.5 kg is speeding along at 2.69 m/s toward a 16.2 kg boulder that is…
A: Mass of the go cart m1=21.5 kg, initial speed of the go cart u1=2.69 m/s, mass of the boulder…
Q: Water leaves a hose at a rate of 2.2-kg per 3.0-s with a speed of 20.9-m/s and is aimed at a toy car…
A: According to question we need to find--- What is the force exerted by the water on the toy car?
Q: Calculate the final velocity right after a 115 kg rugby player who is initially running at 7.35 m/s…
A: Impulse I = force f × time t also impulse is defiened as change in momentum
Q: velocity of snowball velocity of ice skater velocity of ice skater > velocity of snowball O all…
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: In order to avoid the extra energy and time required in starting and stopping, whenever possible…
A: Mass of empty train and locomotive (M) = 23000 kg Mass of load of gravel (m) = 5200 kg Initial…
Q: 4) You drop a golf ball from a height of 1 m above the ground. It hits the ground and returns to a…
A:
Q: a 8 kg bowling ball, moving at 10 m/s to the right, hits and bounces off a second bowling ball with…
A: given that, mass of ball moving right (m1) = 8kg mass of ball moving left(m2) = 5kg Initial…
Q: 12.) A boxcar traveling at 14 m/s approaches a string of 5 identical boxcars sitting stationary on…
A: Given data The mass of the boxcar is m = 18537 kg. The velocity of the boxcar is v = 14 m/s. The…
Q: sion, the lighter car moves at 10.0 km/h in a direction of 40 o with respect to the positive x axis.…
A: Given:- The mass of the car m1 = 1100 kg m2 = 1300 kg The car of m2 mass initially on rest The…
Q: A 8.8-kg falcon catches a 2.3-kg dove from behind in midair. What is their velocity in unit of m/s…
A:
Q: T3 8.2) An astronaut with mass 84kg is at rest in space, before firing her water pack to move toward…
A: The conservation of momentum gives, 0=mastvast+Mwvw that is, mastvast=-Mwvwvast=-Mwvwmast
Q: 2.) A model rocket is constructed with a motor that can provide a total impulse of 29 Ns. The mass…
A: Variations in mass or force affect an object's motion in terms of speed, direction, shape, and…
Q: 23) On a touchdown attempt, a 95Kg running back runs toward the end zone at 3.75m/s meets the runner…
A: Given : m1 = 95 kg v1i = 3.75 m/s m2 = 111 kg v2i = -4.10 m/s
Q: Batman (mass = 97.7 kg) jumps straight down from a bridge into a boat (mass = 477 kg) in which a…
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Q: rce exerted
A: Given: Mass of baseball is 145 g Travel speed is 33 m/s Movement distance of fielder's glove in…
Q: ) An 1800 kg car traveling north at 45 km/hr collides with an 1100 kg car traveling east at 55…
A: Mass and velocity of car 1 m1=1800 kg, v1=45 km/hr=12.5 m/s and mass and velocity of car 2 m2=1100…
Q: Calculate the final speed (in m/s) of a 106 kg rugby player who is initially running at 7.50 m/s but…
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Q: Scott Moir (50-kg) sees Tessa (40 kg) skating at the local skating rink. He skates at 4.0 m/s to…
A:
Q: A ball of 150 g mass moves with 12 m/s and bounces back after hitting a wall with 20 m/s after a…
A: Given that:-Mass, m=150 g=0.15 kgInitial velocity, u=12 m/sFinal velocity, v=20 m/sTime taken=0.01…
Q: "A 200 gram ball "A follows another ball "B of the same mass at a speed of 5 m/s. Ball "B is…
A: From conservation of momentum,…
Q: A green toy car with 0.025-kg mass moves to the right at 0.30 m/s and has a head-on, elastic…
A:
Q: A big fish of mass 15 kg moving to the right at 4 m/s swallows a little fish mass of 3 kg moving…
A: The mass of little fish is m = 3 kg. The mass of the big fish is M = 15 kg. The initial velocity of…
Q: 23. What is the average momentum of an avalanche that moves a 40-cm-thick layer of snow over an area…
A:
Q: 4) You drop a golf ball from a height of 1 m above the ground. It hits the ground and returns to a…
A: Solution 4: The velocity of the ball just before the collision is, u=2gh1 =2×9.8×1 =4.4 m/s and…
Q: The stoplight had just changed and a 1,043 kg Cadillac had entered the intersection, heading north…
A: From conservation of momentum, along y-axis, m1v1=m1+m2vfsinθ .......(i) along x-axis,…
Q: Water leaves a hose at a rate of 3.6-kg per 2.5-s with a speed of 20.5-m/s and is aimed at a toy car…
A: Given Initial velocity is v0= 20.5 m/s Final velocity is v=3.1 m/s Time taken is t=2.5 s Mass is…
Q: The Hulk (200 kg of pure angry muscle) collides head-on with a truck (2,500 kg). If the Hulk was…
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Q: Your mass is 68.8 kg, and the sled s mass is 11.3 kg. You start at rest, and then you jump off the…
A: As per our guidelines, we are supposed to answer only first one question in case of multiple…
Q: 6) Consider an atomic nucleus that's moving at a speed of 500m/s. This nucleus emits an alpha…
A: Determine the mass of the new nucleus.
Q: Calculate the final velocity right after a 116 kg rugby player who is initially running at 7.85 m/s…
A: Mass is m=116 kg Initial velocity is u=7.85 m/s The force is F=17700 N, backward. The time is…
Q: 3. a) An empty freight car with a mass of 10,000 kg rolls at 5 m/s along a level track and collides…
A: Write the given values with the suitable variables. m1=10000 kgu1=5 m/sm2=20000 kgu2=0 m/s Here, m1,…
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