e CM of an empty 1150-kg car is 2.45 m behind the front of the car.   How far from the front of the car will the CM be when two people sit in the front seat 2.90 m from the front of the car, and three people sit in the back seat 4.00 m from the front? Assume that each person has a mass of 75.5 kg .

Q: As shown in the figure below, two blocks (m1 and m2) are each released from rest at a height of h =…

A: The speed of both blocks just before collision is, u=2gh=29.8 m/s24.08 m=8.94 m/s According to the…

Q: he center of mass of an empty 1.044E+3-kg car is 2.46 m behind the front of the car. How far (in m)…

A:

Q: A rubber ball with a mass of 0.170 kg is dropped from rest. From what height (in m) was the ball…

A: Given Data:- Mass of the ball is m=0.170 kg. Momentum of the ball just before it lands the ground is…

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: Given: mass of passenger, m= 72 kg Initial speed= 0 m/s Final speed= 5.6 m/s Time= 0.818 s

Q: A car of mass m traveling forward at a velocity v° collides head-on with a car of mass 4m traveling…

A:

Q: A 400 g ball is dropped from a height of 95 cm. Calculate the magnitude of its momentum as it makes…

A: Given that- Ball mass(m)=400g =400×10-3 kg Height(h)=95cm=0.95m To determined that - Calculate the…

Q: Two masses (m1 = 80 kg; m2 = 50 kg) collide as shown. Find the final velocities if the collision is…

A: Given: mA=80 kgmB=50 kgvAi=6 m/svBi=-4 m/s Note: Here, consider positive velocity in the positive…

Q: A ball of mass 0.125 kg is dropped from rest from a height of 1.25 m. It rebounds from the floor to…

A: Given data:   Mass, m = 0.125 kg    Height, h 1 = 1.25 m   Height, h 2 = 0.970 m

Q: A 50.0-kg boy runs at a speed of 22.76 m/s and jumps onto a cart as shown in the figure. The cart is…

A: Because no force involve in the process so net external force on boy plus cart system remains zero.…

Q: The speed of a car weighing 1500 kg increases from 36 km/h to 72 km/h uniformly. What v momentum of…

A: momentum P =mv

Q: What is the impulse delivered to the ball by the baseball bat? b. If the baseball bat is in…

A:

Q: Far in space, where gravity is negligible, a 425 kg rocket traveling at 75.0 m/s in the positive…

A: Given data The mass of the rocket is: m = 425 kg The initial speed of the rocket is: u = 75 m/s The…

Q: A 53.0 kg boy runs at a speed of 14.0m/s and jumps onto a cart that is initially at rest. The boy…

A:

Q: A billiard ball, labeled 1, moving horizontally strikes another billiard ball, labeled 2, at rest.…

A:

Q: The CM of an empty 1200-kg car is 2.50 m behind the front of the car. A.)How far from the front of…

A: Given data The center of mass from behind an empty car is given as COMb = 2.50 m. The mass of the…

Q: Ball 1 with m1 = 8 kg has an initial speed in the x direction of 10 m/s and hits ball 2 with m2 = 5…

A:

Q: Two cars of equal mass collide and stick together. Immediately before the collision one car is…

A:

Q: A person is pushing a 8.58 kg block along a horiontal surface at a constant speed of 16.8 m/s. The…

A:

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: Given data: Initial velocity (v0) = 0 m/s Final velocity (v) = 4.50 m/s Time (t) = 0.816 s Mass (m)…

Q: What is the average momentum of an avalanche that moves a 40-cm-thick layer of snow over an area of…

A: Density of snow =350kg/m3 Area of snow =>200×300 Volume of snow =  0.4×200×300 = 24000 m3…

Q: An estimated force-time curve for a baseball struck by a bat is shown in Figure. From this curve,…

A: Fmax = 24000 N Force versus time graph is given .

Q: A 0.29 kg softball has a velocity of 12 m/s at an angle of 21° below the horizontal just before…

A:

Q: he figure shows two particles moving across a horizontal surface without friction. The first has a…

A: mass m1= 50g = 0.05 kg mass m2= 80g = 0.08 kg speed u1= 8m/s speed u2= 2m/s To find = a) Speed after…

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

A:

Q: Which of the following is a unit of impulse? ON.s O kg s/m ON.m O none of the given choices O kg m

A:

Q: In an elastic collision, a 400-kg bumper car collides directly from behind with a second, identical…

A:

Q: What is the magnitude and direction of Jill's velocity after the collision?

A:

Q: A baseball, which has a mass of 0.15 kg, is thrown by the pitcher with a velocty of +24 m/s. The…

A: Mass of the ball, m = 0.15 kg  Initial velocity, u = +24 m/s  Final Velocity, v = -24 m/s  Time , t…

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: "A railroad car, of mass 200 kg, rolls with negligible friction on a horizontal track with a speed…

A:

Q: A 65.0 - kg person throws a 0.045 0 - kg snowball forwardwith a ground speed of 30.0 m/s. A second…

A:

Q: Object 1 with a mass of 4.70 kg, moving right at a speed of 7.80 m/s along a frictionless surface,…

A:

Q: A 55.0 kg boy runs at a speed of 16.0m/s and jumps onto a cart that is initially at rest. The boy…

A: Given that                The mass of the boy is (m) = 55.0kg                Speed of the boy is (v1…

Q: An bullet of mass m = 8.00 g is fired into a block of mass M = 250 g that is initially at rest at…

A:

Q: a 4.0 kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vehicle wall. The…

A: Given that Mass of the particle is m = 4.0 kg Initial velocity of particle is u = 5.0 m/s ( let say…

Q: A 3-kg particle is moving horizontally with a speed of 5.0 m/s when it strikes a vertical wall. The…

A:

Q: Jack (mass 52.0 kg) is sliding due east with speed 8.00 m/s on the surface of a frozen pond. He…

A:

Q: As shown in the figure, a billiard ball with mass m, is initially at rest on a horizontal,…

A:

Q: A 0.27 kg softball has a velocity of 11 m/s at an angle of 34° below the horizontal just before…

A:

Q: As shown in the figure above, Car #1 and Car #2 are sliding across a horizontal frictionless…

A:

Q: A 500-g lump of clay was moving through the air at a speed of 8.00 m/s when it hit and got stuck to…

A:

Q: A bullet of mass m = 8.00 g is fired into a block of mass M = 250 g that is initially at rest at the…

A:

Q: A force with a magnitude of 21 N is applied to an 7.1 kg object. How long would the force have to be…

A: From Newton’s second law of motion:

Q: A 0.30 kg softball has a velocity of 15 m/s at an angle of 35 below the horizontal just before…

A: Given:  mass of the ball, m = 0.3 kg  initial velocity, u = 15 m/s at an angle 35 degree below…