A dump truck is being filled with sand. The sand falls straight downward from rest from a height of 1.99 m above the truck bed, and the mass of sand that hits the truck per second is 55.5 kg/s. The truck is parked on the platform of a weight scale. By how much does the scale reading exceed the weight of the truck and sand?

Q: A 79.5kg person, running horizontally with a velocity of +2.34m/s,jumps onto a 11.8kg sled that is…

A: Given, Mass of person (mp ) = 79.5 kg  Mass of sled (ms) = 11.8kg  Initial velocity of person (up)=…

Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

A:

Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of…

A: The objective of this question is to find the average force exerted on a bullet to accelerate it to…

Q: NOTE: Round off answer up to 5 decimal places. Answer should be in meter. Encode only the numerical…

A:

Q: A 7.6 kg block of wood resting on a platform was hit by a 26 g of bullet travelling upward with a…

A: according to momentum conservation law ,  momentum before collision = momentum after collision…

Q: The driver of a car (1100 kg) traveling at 30 m/s on dry concrete sees a deer in the distance and…

A: The mass of the car m=1100 kg. The velocity of the car v=30 m/s. Standard values: Coefficient of…

Q: A 7100-kilogram train car runs at a constant 16.0 m/s on a flat, frictionless track. Initially at…

A: Given data:  Mass of train car (m1) = 7100 kg Initial velocity of train car (V1) = 16.0 m/s Mass of…

Q: In a crash test, a car with a mass of 1200 kg hits the wall as shown. the car's initial and final…

A:

Q: A 200 g baseball travelling at 40 m/s is hit by a bat. It travels straight back at the pitcher at a…

A: Mass of the baseball (m) = 200 g = 0.2 kgInitial velocity (u) = 40 m/sFinal velocity (v) = -50 m/s…

Q: A boy slides down a hill on a sled (total mass of 40 kg) and coasts onto a flat plain with a speed…

A: GivenTotal mass (m) = 40 KgInitial velocity (U) = 5.8 m/sFinal velocity (V) = 0Force of friction (F)…

Q: A student (m = 66 kg) falls freely from rest and strikes the ground. During the collision with the…

A: GIVEN:               MassM = 66 kg                Time ( t ) = 0.040 s               Force exerted…

Q: While playing basketball in PE class, a student lost her balance after making a lay-up and collided…

A:

Q: In a ballistics test, a 28-g bullet pierces a sand bag that is 30 cm thick. If the initial bullet…

A: Solution: Determine the change in kinetic energy of the bullet while it travelled through the bag.…

Q: Xyrus throws a 0.15-kg rubber ball down onto the floor. The ball's speed just before impact is 6.5…

A: Force is defined as the rate of change of momentum.        F= dP/dt  P= m*v

Q: A dog weighing 36 kg, is standing on a flatboat so that he is 23 m from shore. He walks 16 m on the…

A: It is given that,

Q: Emma and Katie are racing along in their new wagon. Upon reaching the bottom of the hill traveling…

A: Given Katie speed at the bottom of the hill = u = 13.2 m/s Distance between Katie and her teddy bear…

Q: m1 In the picture below, a 3.5 kg turtle is initially falling towards the water at 3.5 m/s. If the…

A:

Q: After a 90-kg person steps from a boat onto the shore, the boat moves away with a speed of 0.70 m/s…

A: Given data mass of person = 90 kgspeed of boat = 0.70 m/s in respect to shore∴v1 = 0.7 m/sspeed of…

Q: A 50-kg swimmer dives horizontally off a 450-kg raft. If the diver's speed immediately after leaving…

A: Given value--- mass of swimmer = 50 kg. mass of raft = 450 kg. speed of swimmer = 3 m/s. We have…

Q: After a 70 kg person steps from a boat onto the shore, the boat moves away with a speed of 0.7 m/s…

A:

Q: A 51.9-kg skater is standing at rest in front of a wall. By pushing against the wall she propels…

A: The average force exerted on the wall can be given by Favg=mv-ut

Q: Dizzy is speeding along at 30.4 m/s as she approaches the level section of track near the loading…

A: Given:- The initial velocity is u = 30.4 m/s  The final velocity is v = 3.95 m/s  The mass of the…

Q: baseball with mass m=m=0.145 kg is dropped from rest from a height of h=h=5.9 m above a baseball…

A:

Q: *11. GO A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision…

A: It is given that,

Q: Henry, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift, and substitute 95kg, for m,…

Q: A pile driver weighing 200 pounds strikes the top of the pile after being fallen from a height of 20…

A:

Q: A 5.0 g bullet moving 325 m/s is shot into a 1.25 kg block, which slides for 1.35 seconds across the…

A: Given data: Mass of bullet (m1) = 5.0 g Velocity of bullet (V1) = 325 m/s Mass of block (m2) = 1.25…

Q: Helicopter drops a 0.30 kg copper ball onto a steel plate. The ball's velocity just before impact…

A:

Q: As a member of CSU's golf team, Jesse has access to the golf range on University Avenue for practice…

A: We have a golf ball of mass m=0.05 kg which was at rest (initial velocity u=0) is then hit by a club…

Q: A 2.4 kg ball strikes a wall with a velocity of7.1 m/s to the left. The ball bounces off witha…

A: Given : velocity of ball before striking, u = - 7.1 m/s ( assuming left side as negative x axis)…

Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

A:

Q: A 5 kg box is sliding on a frictionless surface with a velocity of 6 m/s. It collides with a wall…

A:

Q: On the set of a new Hollywood movie, a 84.6-kg stunt actor (Max Payne) is tossed straight out of a…

A:

Q: A tennis ball is flying eastward towards a wall with a speed of 33.7 m/s. After bouncing against the…

A:

Q: A 6-g bullet is shot into a 2.1-kg block of wood, where it becomes embedded.  The block is initially…

A: Given, Mass of bullet, Mass of wood block, Initial velocity of bullet, Initial velocity of block,…

Q: lower a crate of mass ?1=5.00 kgm1=5.00 kg to the bottom of a steep ravine of height ?=25.0 mH=25.0…

A: The given data are listed below with appropriate variables. Here, m1 denotes the crate’s mass, h…

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

A:

Q: Dizzy is speeding along at 31.1 m/s as she approaches the level section of track near the loading…

A: Initially speed of Dizzy's car =31.1m/s Final speed of Dizzy's car =3.5m/s Distance cover during…

Q: A 5.0 kg dog stands on an 18 kg canoe at distance D = 6.1 m from the shore.  The dog walks 2.4 m…

A: mass of dog m=5kg mass of canoe M=18kg D=6.1m if dog walks 2.4m along shore and boat moves x…