A 57.8-kg person holding two 0.880-kg bricks stands on a 2.10-kg skateboard. Initially, the skateboard and the person are at rest. The person now throws the two bricks at the same time so that their speed relative to the person is 17.0 m/s. What is the recoil speed of the person and the skateboard relative to the ground, assuming the skateboard moves without friction

Q: In the figure, a 2.1 kg box of running shoes slides on a horizontal frictionless table and collides…

A: Given:- weight of shoes = 2.1kg weight of ballet slipers = 1.6kg h= 0.63m speed of shoes = 3 m/s

Q: A 66.0 kg person throws a 0.0500 kg snowball forward with a ground speed of 31.0 m/s. A second…

A: Given:Mass,m1=66 kgSnoball,m=0.0500 kgspeed,u1=2 m/sMass,m2=56 kgspeed,u2=31m/sFind the velocities…

Q: A baseball with a mass of 5.2 kg is dropped onto the ground with a 2.7 m/s and at impact has a speed…

A: “Since you have posted multiple questions, we will provide the solution  only to the first question…

Q: A 85.4-kg boy and a 62.3-kg girl, both wearing skates face each other at rest on a skating rink. The…

A: Mass of Boy (M)=85.4 kgMass of Girl (m)=62.3 kginitially both are at rest velocity of girl when boy…

Q: A 3.2 kg mess kit sliding on a frictionless surface explodes into two 1.6 kg parts, one moving at…

A:

Q: The head of a hammer (m = 2.51 kg) moving at 8.75 m/s strikes a nail and bounces back with the same…

A:

Q: On August 10, 1972, a large meteorite skipped across the atmosphere above the western United States…

A: a)       Loss in KE = 0.5*(3.8*106)* (19*103)2                 =6.859*1014J

Q: Olaf is standing on a sheet of ice that covers the football stadium parking lot in Buffalo, New…

A: We are given the mass of Olaf and ball. We are given initial velocity of ball.  We find the final…

Q: Two cars collide at an intersection. Car A, with a mass of 2000 kg, is going from west to east,…

A:

Q: A frog is sitting on a lily pad when it sees a delicious fly. He darts out his tongue at a speed of…

A: Given in question -  Speed of tongue (vt) = 3.40 m/s                                   Mass of…

Q: You have just planted a sturdy 2-m-tall palm tree in your front lawn for your mother's birthday.…

A: Given,

Q: The head of a hammer (m= 1.1 kg) moving at 6m/s strikes a nail and bounces back with the same speed…

A:

Q: Mass A (2.0 kg) is moving with an initial velocity of 15 m/s in the +x-direction, and it collides…

A:

Q: Question 3. A bumper car with mass m1 = 200 kg is moving at an initial velocity of vii = 6 m/s to…

A: Given: The mass of first car is m1=200 kg. The initial velocity of the first car is v1i=6 m/s. The…

Q: Two particles with mass m1 and mass m2 move each at a speed of 5 m/s towards each other along the…

A: Given m1:m2=1:3 Or m2=3m1 Initial velocity Finally first particle moves along y-axis So

Q: Two bumper cars at the county fair are sliding toward one another (see figure below). Initially,…

A: Given :   Initial velocity of bumper car-1, v1i⇀ = 5.75 m/s  i^    Initial velocity of bumper car-2,…

Q: Two bumper cars at the county fair are sliding toward one another (see figure below). Initially,…

A: (a) Let the east-west direction be taken as the positive X axis.   Apply conservation of momentum…

Q: Eight boxcars are moving at a speed of 0.2 m/s along a track when they collide with a single…

A:

Q: During a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him.…

A:

Q: Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic,…

A: Given: Two shuffleboard disks of equal mass The yellow disk is initially at rest The orange disk…

Q: collision

A: Let mA be the sports car’s mass and mB be the truck’s mass. Take east directions in the positive…

Q: A 59 g firecracker is at rest at the origin when it explodes into three pieces. The first, with mass…

A:

Q: Eight boxcars are moving at a speed of 0.2 m/s along a track when they collide with a single…

A:

Q: Two clay balls collide and stick. Ball 1 has a mass of 1 kg and an initial velocity of 10 m/s in the…

A:

Q: A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts, one moving at…

A:

Q: Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic,…

A:

Q: A block of mass m = 6.62 kg, moving on a horizontal frictionless surface with a speed 5.85 m/s,…

A:

Q: An object with a mass of 5.00 g is moving to the right at 14.0 cm/s when it is overtaken by an…

A: Given data: Mass of the object m = 5.00 g Initial speed u1=14.0cm/s Mass of the object 2 m2=26.0g…

Q: A 2.1 kg object is moving due East at 32 m/s on a frictionless, horizontal sufrace. When the first…

A: Collision.

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: The particles in the figure below  (m1 = 2.1 kg and m2 = 3.5 kg)  undergo an elastic collision in…

A:

Q: Use the worked example above to help you solve this problem. An pickup truck with mass 1.78 x 103 kg…

A:

Q: A golf game is being played on Mars. A 45.0 g golf ball is hit with a club and leaves with a…

A: Solution: a). The mass of the golf ball and the final velocity of the ball has been given. The…

Q: A soft ball (m = 0.14 kg) moving horizontally to the right hits a wall with a speed of 16.2 m/s.…

A:

Q: A 919 kg red car is travelling to the east at a speed of 62.4 m/s and a 1.82×103 kg blue car is…

A: Mass of red car, m1 = 919 kgInitial speed of red car, u1 = 62.4 î m/sMass of blue car, m2 = 1820…

Q: What is the velocity of the ball 1 after the

A: 2.44 m/s

Q: Two shuffleboard disks of equal mass, one orange and the other yellow, are involved in an elastic,…

A: Answer:  Given: Two shuffleboards of equal mass orange and yellow. Yellow is initially at rest and…

Q: A curling rock of mass, m = 19.1 kg, travelling at 4.09 m/s to the right collides with an identical…

A: m = 19.1 kg v1 =4.09 m/sv2 =0θ1 =38.30θ2 =51.70after collision velocity v'1 and v'2

Q: A 25.0 g ball is fired horizontally with initial speed v_0 toward a 110 g ball that is hanging…

A:

Q: Two bumper cars at the county fair are sliding toward one another (see figure below). Initially,…

A:

Q: A 4.0-kg mass, initially at rest on a horizontal frictionless surface, is struck by a 2.0-kg mass…

A: In the collision of two objects, if there are no external forces act on the system then linear…

Q: A billiard ball is moving in the x-direction at 30.0 cm/s and strikes another billiard ball moving…

A: Determine the kinetic energy before the collision.