A girl riding a bicycle along a straight road with a speed of 5 m/s throws a stone of mass 0.5 kg which has a speed of 15 m/s with respect to the ground along her direction of motion. The mass of the girl and the bicycle is 50 kg. Does the speed of the bicycle change after the stone is thrown? What is the change in speed, if so?

Q: A 2.3-kg cart is rolling along a frictionless, horizontal track towards a 1.5-kg cart that is held…

A:

Q: What is the speed

A:

Q: The figure below is for a 0.5 kg object p(kg m/s) 30.0 25.0 20.0 15.0 10.0 5.0 2.0 4.0 t(s) Find the…

A:

Q: The two masses m₁ = 2kg and m2 are connected by a massless string passing through a massless pulley…

A:

Q: A girl, having a mass of 15 kg, sits motionless relative to the surface of a horizontal platform at…

A:

Q: The impulse-momentum equation is:   Group of answer choices Impulse = Force x Change in…

A: Required: The impulse-momentum equation

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

A:

Q: A 0.5 kg ball is thrown against a wall traveling 15 m/s before impact. The ball is in contact with…

A: Given data:  Mass (m) = 0.5 kg Initial speed = 15 m/s Speed after collision = 0.7 m/s Contact time…

Q: Two carts, labeled 1 and 2, are headed toward each other along a level track. Both carts roll…

A: Given: m1 = 21.3 kgm2=3.11kgv1i=u1 = 1.9 m/sv2i=u2=-1.8 m/slet final speed are v1 and v2

Q: A child is standing is standing on the edge of a cliff overlooking a river. The cliff is 8m above…

A:

Q: A force F = (40, -80) N acts on a mass of 4 kg. At time t = 0 s, the mass has a velocity v0 = (-2,…

A:

Q: The rocket engine pushes 90 g/s of gas at a speed of 300 m/s in comparison to the rocket. The…

A:

Q: 5. What is the momentum (as a function of time) of a 5.0-kg particle moving with a velocity (v¯(t) =…

A:

Q: A stationary astronaut is 181 m from her spaceship.  She has exactly 186 seconds left of oxygen left…

A:

Q: The figure below shows a metal ball with a mass of 3.08 kg bouncing off a wall. The ball has the…

A: mass, m = 3.08 kg  speed, v = 10 m/s  Angle from X axis, A = 90° - 60° = 30° time, t = 0.172 s

Q: If a 140 g baseball strikes your head at 33 m/s and stops in 0.0014 s , what is the magnitude of the…

A: Write the given values with the suitable variables. m=140 gu=33 m/st=0.0014 sv=0 m/s Here, m, u, t,…

Q: A boy sitting in a wheelchair throws a stone weighing 500 g at a speed of 5 m/s in the horizontal…

A: Given, Mass of the boy + wheelchair (M) =50 kg Mass of the stone(m) = 500g Initial Stone velocity…

Q: A 2.4-kg cart is rolling along a frictionless, horizontal track towards a 1.1-kg cart that is held…

A:

Q: After making some measurements in lab, you start to daydream about travel to other planets. Your…

A:

Q: A 70.0 kg football player is gliding across very smooth ice at 1.90 m/s. He throws a 0.440 kg…

A:

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 2.7-kg cart is rolling along a frictionless, horizontal track towards a 1.8-kg cart that is held…

A: Momentum:  The momentum of an object is defined as the product of its mass and velocity.…

Q: A hockey puck is sliding on friction-less ice. It slams against a wall and bounces back toward the…

A: Yes  the velocity of hockey puck changes when it slams against a wall and bounces back toward the…

Q: In outer space, high above the surface of Mars, a daring rescue is attempted as astronaut Mark…

A: Given Velocity of Watney vW                          = 3 m/s  Velocity of Lewis vL…

Q: Learning The mass of a particular eagle is twice that of a hunted pigeon. Suppose the pigeon is…

A:

Q: A 2.0-kg cart is rolling along a frictionless, horizontal track towards a 1.9-kg cart that is held…

A: (a) Ptotal = 7.21 kg m/s(b) v1(initial) = 3.605 m/sExplanation:(a) Total Momentum of the System, The…

Q: A student runs an experiment with two carts on a low-friction track. As measured in the Earth…

A:

Q: Car A is moving to the right at 0.5m/s. Meanwhile, Car B, which is 6 meters to the right of car A…

A: Velocity of car A = 0.5 ms towards right Velocity of car B = 0.25 ms  towards left Distance between…

Q: The experiment done in lab is repeated, using a ball that has unknown mass m. You plot your data in…

A:

Q: cat (mass of 3.63 kg) is on a sled (mass of 22.7 kg) which rests on an icy surface... so no…

A: mass of cat (m) = 3.63 kg mass of sled (M) = 22.7 kg speed of jump of cat (v) = 3.7 ms

Q: A 86-kg astronaut and a 1200-kg satellite are at rest relative to the space shuttle. The astronaut…

A: Write the given values with the suitable variables. m=86 kgM=1200 kgu=0.18 m/st=7.5 s Here, m is the…

Q: The figure below is for a 50 kg object v(m/s) 100.0 80.0 60.0 40.0 20.0 2.0 4.0 t(s) Find the…

A: As per our guidelines we are supposed to answer only first three parts of question. Please post…

Q: Two carts, labeled 1 and 2, are headed toward each other along a level track. Both carts roll…

A: m1=2.23 kgm2=3.36 kgv1i=+1.6 msv2i=-1.6 ms

Q: PRINTER VERSION 1 BACK |Your answer is partially correct. Try again. Two dimensions. In the figure,…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”