A 375g ball is thrown with an initial horizontal velocity of 21.0m/s at a 4.50kg target that is sliding towards the thrower with an initial velocity of -1.50m/s. The ball hits the target and emerges from the other side with a final velocity of 6.50m/s. a) What is the final velocity of the target? b) What is the change in the kinetic energy of the system?

Q: Using a real-world example that relates to your major area of sudy (Environmental Science), find at…

A:

Q: Two pucks move towards each other on a frictionless track at 2.0 m/s. After collision, puck B moves…

A: Given that, Mass of puck A, mA = 0.4 kg Mass of puck B, mB = 0.3 kg The initial speed of puck A, uA…

Q: A bullet is fired horizontally into an initially stationary block of wood suspended by a string and…

A:

Q: 83. In an amusement park, a car rolls in a track as shown below. Find the speed of the car at A, B,…

A: Given, A Car rolls in amusement park

Q: 6. (10 ptts)The boats have masses m and 2m , and the wind exerts the same constant horizontal force…

A: Masses of two boats m1=m and m2=2m and a constant force F is exerted on both of them. They both…

Q: A soccer player kicks the ball in a parabolic arc to the opposite goal. The ball leaves the player’s…

A:

Q: A football player is at the top of a 200 m high building. He decided to kick the ball (edge of the…

A: Given: The height (S) of the building is 200 m. The initial velocity (u) of the ball is 16 m/s. The…

Q: 7s. 3) Suppose the two gliders in problem (2a) have Velcro on them and thus stick together upon…

A:

Q: A projectile of mass m is fired horizontally with an initial speed of vo from a height of h above a…

A: Mass = m Initial speed = vo Height = h

Q: A projectile of mass 2 kg is fired with a speed of 20 m/s at an angle of 30° with respect to the…

A:

Q: A rifle bullet with mass m is fired horizontally with speed v0 when it hits a wooden block of mass…

A: the kinetic energy of an object is the energy that it possesses due to its motion. It is defined as…

Q: A father racing his son has half the kinetic energy of the son, who has half the mass of the…

A:

Q: A hockey puck is given an initial speed of 5.0 m/s. If the coefficient of kineticfriction between…

A: Given,The initial speed of the puck, v = 5.0m/sThe coefficient of friction between the puck and the…

Q: A projectile of mass m = 3.00 kg is launched with an initial velocity of 17.0 m/s at an angle of…

A: It is given that, the initial velocity of the projectile is v=17.0 m/s, the mass of it is m=3.0 kg,…

Q: How do you calculate the time it takes from where he starts to where he passes x=0 the first time…

A: The period of the oscillation is

Q: A 24.0-kg cannonball is fired from a cannon with muzzle speed of 1 100 m/s at an angle of 39.0° with…

A: Formula of maximum height is as follows; hm=u2sinθ2g…

Q: Mitch throws a 110-gram lump of clay at a 629 g target, which is at rest on a horizontal surface…

A:

Q: A 0.5-kg ball in the air has an initial velocity Vo = [-40 i] m/s + [-40 J] m/s. It falls for a…

A: Given: Mass, m=0.5 kgvelocity, Vo=[-40 i] m/s + [-40 J] m/sInitial kinetic energy, Ki=800 J   We…

Q: 33. • IP A 0.420-kg block of wood hangs from the ceiling by a string, and a 0.0750-kg wad of putty…

A:

Q: A 100 kg weight is dropped on to the floor from a height of 2.5 m. What is the potential energy of…

A: The potential energy is given by  U =m g h  where, m is the mass, g is the gravity and h is the…

Q: A 17 g bullet is shot vertically into an 2.00 kg block. The block lifts upward 8.0 mm (see the…

A: When there is no external force acting on particle, linear momentum is conserved. Momentum before…

Q: (a) What is their final velocity in meters per second assuming negligible friction and that the 60.0…

A:

Q: An object of mass, m = 56 kg starts to slide from rest on a curved ramp from height, H = 37 m above…

A: (a) According to the conservation of energy, the initial potential energy covert to the kinetic…

Q: 0.002 kg bullet leaves the barrel of a gun at at speed of 300 m/s. a) Find the kinetic energy of the…

A: Given ,      mass of the bullet = 0.002 kg      speed of the bullet = 300 m/s

Q: A 15-g bullet is shot vertically into an 2-kg block. The block lifts upward 8.0 mm (see the figure).…

A:

Q: Imagine that you drop a brick on the ground and it lands witha thud. Apparently the energy of this…

A: When a brick is dropped on the ground, it has some kinetic energy.

Q: 1. 75-g projectile traveling at 600 m/s strikes and becomes embedded in the 50-kg block, which is…

A:

Q: A 15-g bullet is shot vertically into an 2-kg block. The block lifts upward 8.0 mm (see the figure).…

A: Mass of bullet  (Mbullet) =  15x10-3 kg  Mass of block  (Mblock) =  2 kg  height (h) = 8x10-3 m

Q: A 0.75 kg rocket in a fireworks display is launched from rest and follows an erratic flight path to…

A:

Q: In Figure , a 100 g bullet moving directly upward at 200 m/s strikes and stay inside a 2.0 kg block…

A: Given: The mass of the bullet is 100 g.             The initial velocity of the bullet is 200 m/s.…

Q: 86. A projectile of mass 2 kg is fired with a speed of 20 m/s at an angle of 30° with respect to the…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: An archer shoots an arrow toward a 300-g target that is sliding in her direction at a speed of 2.00…

A: Since we only answer the first question, we’ll answer the first one. Please resubmit the question…

Q: A bullet is fired horizontally into an initially stationary block of wood suspended by a string and…

A:

Q: Gwen is baby-sitting for the Parker family. She takes 3-year old Allison to the neighborhood park…

A:

Q: A marksman holds a rifle of mass m = 3.00 kg loosely, so it can recoil freely. He fires a bullet of…

A:

Q: A 21.0-kg cannonball is fired from a cannon with muzzle speed of 1 050 m/s at an angle of 41.0° with…

A:

Q: In a Broadway performance, an 75.5-kg actor swings from a R = 3.90-m-long cable that is horizontal…

A:

Q: rock (rock 1) is flying in the sky towards another rock, rock 2. Rock 1 has a mass of 60 kg, and…

A:

Q: Ballet In the figure, a 10 g bullet moving directly upward at 500 m/s strikes and becomes embedded…

A: mass of bullet, m = 10 g  mass of block, M =5 kg   initial velocity of bullet, u = 500 m/s

Q: by 1.8 m/s and

A: Suppose (Kf) & (Ks) be the kinetic energy of the father & son respectively. Kf=Ks2 ----(1)…

Q: A 600 N volleyball player lands from a spike attempt and immediately jumps up to try for a block.…

A: Given, W= 600 N We know that, W= mg, where g=9.8m/s². Therefore, m= 600/9.8 = 61.22448979 kg

Q: * TWO friends at rest decide to start att pushing off against each other on an ficy smooth surface…

A:

Q: An apple falls to the ground.  During the fall, does the earth's gravity do positive, negative or…

A: Work done on an object by a force F is :          W=F.d=Fdcosθ          where, θ is the angle…

Q: Some jellyfish use jet propulsion to get around; the efficiency of this process can be quite low, as…

A: The given values with suitable variables are listed below. Here, mf denotes the mass of a…

Q: Two objects are connected by a light string passing over a light, frictionless pulley as shown in…

A: