1. Two 22.7 kg ice sleds initially at rest, are placed a short distance apart, one directly behind the other, as shown in Fig. 1. A 3.63 kg cat, standing on the left sled, jumps across to the right one and immediately comes back to the first. Both jumps are made horizontally at a speed of 3.05 m/s relative to the ice. Ignore the friction between the sled and ice.

Q: A soccer player takes a corner kick, lofting a stationary ball 31.0° above the horizon at 23.0 m/s.…

A: Given.. Mass= m= 0.425 kg Velocity = v1= 23.0 m/s Angle =31° So Vx = V1 cos(31) =19.7 m/s Vy= V1…

Q: 1. A 1.3 kg ball is coming straight at a 75 kg soccer player at 13 m/s who kicks it in the exact…

A:

Q: The 50-g bullet traveling at 600 m/s strikes the 4-kg block centrally and is embedded within it. If…

A: Apply the momentum conservation equation in the x-axis. Here, m1, u1, m2, u2 and v2 represent the…

Q: 31. E SSM Batman (mass = 91 kg) jumps straight down from a bridge into a boat (mass = 51o kg) in…

A: Given data:  Mass of boat (m1) = 510 kg Initial velocity of boat (V1) = +11 m/s Mass of batman (m2)…

Q: 3. A bullet of mass m = 6.00 g is fired with an initial velocity of 600 m/s into a block of mass M =…

A:

Q: Which of the following is an example of a recoil collision? 1) Two soccer players run into each…

A:

Q: A soccer player kicks a soccer ball of mass 0.45 kg that is initially at rest. The player's foot is…

A: F(t) = [(9.81 x 105)t - (6.54 x 108)t2] N  mass , m = 0.45 kg To find = a) maximum force on the ball…

Q: A banana was thrown with an initial velocity of 7.0 m/s, 15° from the horizontal. A second before it…

A:

Q: An open train car, with a mass of 2190 kg, coasts along a horizontal track at the speed 2.17 m/s.…

A: Let us calculate the car speed v, as shown below:

Q: In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table.…

A: Given,mass of the bullet, m = 3.50 gmass of block 1, M1 =1.1 kgmass of the block 1, 1.69 kgv1 =…

Q: 2. A grenade of mass 3.60 kg is at rest on a smooth, frictionless surface when it suddenl explodes…

A:

Q: A 65.0 kg  diver, dives horizontally off a 375 kg raft initially at rest. If the diver's speed…

A:

Q: The vector position of a 4.00 g particle moving in the xy plane varies in time according to r, = (3î…

A: As per the guidelines, we are allowed to solve only 3 subparts. Since, you got the right answer for…

Q: An object of mass 3M, moving in the +x direction at speed Vo, breaks into two pieces of mass M and…

A:

Q: Realizing that he could not drive up a 35.0°, ice-covered hill because there was no friction, Rick…

A: SOlution: Given that m1 = 4x102 kg m2 = 2x103 kg v2 = 20 m/s

Q: A 23.45 ?? meteorite is moving at 45.3 ? slams into the back of a stationary satellite that weighs…

A:

Q: Two shuffleboard disks of equal mass, one orange and the other green, are involved in a perfectly…

A:

Q: 9. A hockey puck (1) of mass 180 g is shot east at a speed of 6.80 m/s. It strikes a second puck…

A:

Q: A 5.00 kg chunk of ice is sliding at 12.0 m/s on the floor of an ice-covered valley when it collides…

A: Given: The first chunk of ice has a mass (m1) of 5 Kg. The second chunk of ice has a mass (m2) of 5…

Q: 2) In Figure, mass m, = 1 kg with a velocity v 15 m/s moving in x direction makes elastic collision…

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Q: Kyle, a 80.0 kg football player, leaps straight up into the air (with no horizontal velocity) to…

A:

Q: Ball A (ma = 0.800 kg) strikes ball B (mg = 0.800 kg) which is initially hanging from an…

A:

Q: 31- The mass of the bomb, which moves in the +x direction with a speed of 5 m/s in the…

A: Given: Unexploded mass M=7 kg Initial speed of unexploded mass u=5 m/s in the +x direction As a…

Q: 4. A boy, whose mass is 50.0 kg, is running very fast at the rate of 5.00 m/s when he jumps onto a…

A:

Q: Squids are the fastest marine invertebrates, using a powerful set of muscles to take in and then…

A:

Q: 19. A 20-kg bobcat (a type of wild cat) runs horizontally to the right at a speed of 10.0 m/s. It…

A: From the question statement, it is clear that the collision is inelastic. Now from conservation of…

Q: 55. A projectile of mass 2.0 kg is fired in the air at an angle of 40.0° to the horizon at a speed…

A: During any collision, if there is no net force acting on the system of particles momentum is always…

Q: As shown in the figure, a metal ball with mass m2 is initially at rest on a horizontal, frictionless…

A: (a) Apply the conservation of momentum m1V1i = m1V1Fcosθ + m2V2Fcos Φ 0.2*2 = 0.2*1*cos50 +…

Q: Please help me, double and triple check your answers previous tutors got it wrong, Please answer all…

A:

Q: A 3.00-g bullet is fired horizontally into a 10.0-kg block of wood suspended by a rope from the…

A: Given that:Mass of bullet, m=3.00 gMass of block, M=10.0 kg=10000 gHeight of the system after…

Q: 40. MAn bullet of mass m = 8.00 g is fired into a block %3D of mass M = 250 g that is initially at…

A: 40.   The time taken by the bullet block combination to reach the floor is Δy=v0yt+12ayt2-1.0…

Q: A4.0-kg mass, initially at rest on a horizontal, frictionless surface, is struck by a 2.0-kg mass…

A: Given: Mass m1=2.0 kg. Velocity of mass m1 is u1=8.0 m/s. Mass m2=4.0 kg. Velocity of first mass…

Q: Two masses mị = 7 kg and m2 = 14 kg undergo an elastic collision as shown where 0 = 30°. You know…

A: Given: let initial velocities  are u1 and u2 and final velocities are v1 and v2 m1=7 kgm2=14…

Q: A very hard rubber ball (m = 0.2 kg) is falling vertically at 5 m/s just before it bounces on the…

A: Given: The mass of the ball is 0.2 kg. The speed of the ball just before hitting the floor is 5 m/s.…

Q: Inelastic Collision - A 1200-kg ore cart is rolling at 10.8 m/s across a flat friction-free surface.…

A: Given: Mass of the cart (M) = 1200 Kg            mass of the ore(m) = 858 Kg            velocity of…

Q: *13. D An 85-kg jogger is heading due east at a speed of 2.0 m/s. A 55-kg jogger is heading 32°…

A: The momentum of 85 kg jogger along X and Y direction is PX=mvx=85 kg2.0ms=170 kg·msPy=0 kg·ms The…

Q: The vector position of a 3.80 g particle moving in the xy plane varies in time according to r, = (31…

A: The solution is given below

Q: 14. Two masses mį = 7 kg and m2 = 14 kg undergo an elastic collision as shown where 0 = 30°. You…

A:

Q: 1. A 1500 kg truck traveling at 80 km/h collides with another car of mass 1000 kg traveling at 30…

A:

Q: An object of mass 3M, moving in the +x direction at speed vo, breaks into two pieces of mass M and…

A: Given: The mass of the blue object is 3M. The initial speed of the 3M is vo in +x-direction.…

Q: A toy car having mass m = 1.35 kg collides inelastically with a toy train of mass M = 3.70 kg.Before…

A:

Q: A 83.6 kg ice skater, moving at 13.3 m/s, crashes into a stationary skater of equal mass. After…

A: mass of skater = 83.6 kg speed = 13.3 m/smass of second skater = 83.6 kg final speed = 6.65 m/sF =…

Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 10^4 kg and 4.0…

A:

Q: 59. Three 70-kg deer are standing on a flat 200-kg rock that is on an ice-covered pond. A gunshot…

A: Initially, the rock is stationary, so the total momentum is zero. Now after the gunshot, the…

Q: 7. A 730-N man stands in the center of a frozen pond of radius 5.00-m. There is no friction between…

A: Mass of the man will be M=730g=7309.8=74kg The momentum given to the rock will be mv=1.2×5=6kg-m/s…

Q: The CM of an empty 1250-kg car is 2.40 m behind the front of the car. How far from the front of the…

A: According to question--- Given values--- mass of car = 1150 kg. xcm = 2.4 cm. all men mass = 65 kg.…

Q: A 71.1-kg basketball player jumps vertically and leaves the floor with a velocity of 1.87 m/s…

A: Data Given ,  Mass of the basketball player ( m ) = 71.1 kg Leaves the floor with velocity ( v ) =…

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!