A hockey stick exerts an average force of 39 N[S] on a 0.20 kg hockey puck over a displacement of 0.22m. If the hockey puck started from rest, what is the final velocity of the puck? Assume that the friction between the puck and the ice is negligible.
Q: A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of…
A: The objective of this question is to find the average force exerted on a bullet to accelerate it to…
Q: A 0.140 kg baseball is traveling toward home plate. A batter hits the ball with a force of 2,915 N…
A:
Q: A block of mass m1 = 10.5 kg slides along a horizontal surface (with friction, μk = 0.29) a distance…
A:
Q: You throw a 0.53-kg baseball with a speed of 12 m/s during a time interval of 4.0 ms. What is the…
A: Given mass(m) = 0.53kg speed (v) = 12m/s time(t) = 4ms = 4×10-3 sec (∵1ms = 10-3 sec)
Q: A Maxim machine gun fires 465 bullets per minute. Each bullet has a mass of 12g and a velocity of…
A:
Q: A 46.0-kg girl is standing on a 147-kg plank. Both originally at rest on a frozen lake that…
A: Mass of the plank mp=147 kg Mass of the girl mg=46 kg Velocity of the girl relative to the plank…
Q: A Maxim machine gun fires 453 bullets per minute. Each bullet has a mass of 12g and a velocity of…
A: Given Mass of bullet m=0.012 kg Velocity v=660m/s Bullet fired per second =453/60=7.55 bullet /sec…
Q: Maxim machine gun fires 445 bullets per minute. Each bullet has a mass of 13g and a velocity of…
A: Write the given values of the problem- Mass of the bullet=13 g velocity=674 m/s Maxim machine gun…
Q: You have two identical cars, both of mass 1,542 kg. The first one is moving to the left with an…
A: Given data: Two identical cars m1 = m2 = 1542 kg Initial velocity of car 1 (u1) = -11.9 m/s Initial…
Q: A 65.0 kg diver, dives horizontally off a 375 kg raft initially at rest. If the diver's speed…
A:
Q: Dizzy is speeding along at 30.4 m/s as she approaches the level section of track near the loading…
A: Given:- The initial velocity is u = 30.4 m/s The final velocity is v = 3.95 m/s The mass of the…
Q: *11. GO A student (m = 63 kg) falls freely from rest and strikes the ground. During the collision…
A: It is given that,
Q: A 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by…
A:
Q: A block of mass m1 = 14.5 kg slides along a horizontal surface (with friction, μk = 0.37) a distance…
A: Given that:- Mass of first block=m1=14.5kg
Q: A 0.150g baseball is thrown horizontally with a velocity of 28.0 m/s in the negative x-direction.…
A: The average force on the object is given by Where = Change in linear momentum, = time interval
Q: A Maxim machine gun fires 466 bullets per minute. Each bullet has a mass of 14g and a velocity of…
A:
Q: A skier of 55-kg mass is at the rest on a frictionless (and horizontal) slab of ice. The skier…
A: M1= 55 kg M2= 1 kg V2= 49x^ -17y^ m/s V1 =??
Q: A bullet of mass m initially traveling at speed v imbeds itself in a wooden block and travelsΔx…
A:
Q: A 60-g tennis ball initially at rest is hit by a racket. The ball is in contact with the racket for…
A: Given that Mass of the ball m = 60 g = 0.060 kg Initial velocity is u = 0 ( in rest ) Final…
Q: On the set of a new Hollywood movie, a 84.6-kg stunt actor (Max Payne) is tossed straight out of a…
A:
Q: An incoming tennis ball (mass 0.060 kg) has a speed of 14 m/s. The player hits the ball with a…
A: Given data: Mass (m) = 0.060 kg Initial velocity (Vi) = 14 m/s Final velocity (Vf) = 30 m/s, in…
Q: The cue ball A is given an initial velocity (VA)₁ = 5 m/s. If it makes a direct collision with ball…
A:
Q: A 66.3-kg person, running horizontally with a velocity of +3.51 m/s, jumps onto a 12.5-kg sled that…
A: a. according to the conservation of momentum, So the final velocity of sled and person is 2.95 m/s.…
Q: A 0.25 kg arrow with a velocity of 12 m/s to the east strikes a target and pierces the bull's-eye of…
A: Given Mass of an arrow = 0.25 kg Initial velocity of an arrow = 12 m/s Mass of target = 6 kg…
Q: Dwayne Johnson is standing on a bridge and throws the rock, mass of 4 kg, straight up with an…
A: The mass of the rock, m=4 kg The initial velocity of the rock, u=10 m/s
Q: A high-speed photograph of a club hitting a golf ball is shown in the figure below. The club was in…
A:
Q: A 0.25-kg ball, initially at reston a tee, is hit with a bat in the x-direction while 1.00 meter…
A:
Q: A 0.11 kg apple falls off a tree branch that is 2.2 m above the thick grass. The apple sins 0.065 m…
A: Mass of apple ( m) = 0.11 kg Height of tree branch ( h ) = 0.065 m Sinks distance of apple ( d ) =…
Q: A 52.1-kg person, running horizontally with a velocity of +4.62 m/s, jumps onto a 14.7-kg sled that…
A: Mass of person(M)=52.1kg velocity of person (vp )=4.62 m/smass of sled (m)=14.7 kg initially sled is…
Q: A golf club strikes a golf ball. The club and the ball remain in contact for 0.6ms. The 35gram ball…
A: contact time;Δt=0.6msmass of ball; m=35 gfinal velocity of ball ;v=60m/sinitial velocity of ball;…
Q: A 1400 kg car moving at 21 m/s runs into a 1200 kg car mobing in the same direction at 14 m/s. The…
A:
Q: Male bighorn sheep (120 kg ) engage in head-butting contests to establish dominance. High-speed…
A: We can use the impulse-momentum theorem to solve this problem. The impulse-momentum theorem states…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- A 3.45 kg black ball traveling 4 m/s has a head on collision with a white one at rest. Using the velocities shown, calculate the mass of the white ball, Ignore friction and air resistance. 0 m/s 4 m/s 1.4 m/s 5.7 m/sOn the set of a new Hollywood movie, a 74.1-kg stunt actor (Max Payne) is tossed straight out of a helicopter hovering (stationary) at a height of 43.4 meters. The stunt actor is thrown from the helicopter at a speed of 4.17 m/s, eventually landing in the water below. Determine the stunt actor's impact speed and assume negligible air resistance. You can use the approximation that g = 10 m/s2.A 48.1-kg person, running horizontally with a velocity of +3.23 m/s, jumps onto a 16.8-kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m on level snow before coming to rest. What is the coefficient of kinetic friction between the sled and the snow? (a) Number i (b) Number i Save for Later Units Units Attempts: 1 of 3 used Submit Answer
- Enter an expression for the initial acceleration of the rocket as it lifts vertically off of the ground with a mass m, assuming that it burns fuel at a rate R (kg/s) and shoots the resulting exhaust downward at speed vex. a = - Vex/m (m/R )| α a h В d j 0 50 K g k 9 HOME (1) 7 8 ^^^ 4 5 6 1 1 2 3 SANTA stationary golf ball (with a mass of 0.125kg) is struck by a golf club with an average force of 417N. The ball and club are in contact for approximately 0.013 seconds. Determine the velocity of the ball when it leaves contact with the club. (Report your answer in m/s, but only enter the numerical value.)After falling from rest from a height of 31 m, a 0.60-kg ball rebounds upward, reaching a height of 21 m. If the contact between ball and ground lasted 2.5 ms, what average force was exerted on the ball?
- A car (VW) and a truck (C) collide inelastically (stick together). The impact is made in a very short time of t= 0.1 s. Initial speed Vvw=40.0 m/s Cv=30 m/s Masses mvw = 900.0 kg mc = 2000.0 kg Find the final velocity of the vehicles. Find the average acceleration of each vehicle Find the average force over each vehicle. Find the initial kinetic energy. Find the final kinetic energy.A 74.6-kg person, running horizontally with a velocity of +4.47 m/s, jumps onto a 11.4-kg sled that is initially at rest. (a) Ignoring the effects of friction during the collision, find the velocity of the sled and person as they move away. (b) The sled and person coast 30.0 m on level snow before coming to rest. What is the coefficient of kinetic friction between the sled and the snow? (a) Number i (b) Number i Save for Later Units Units Attempts: 0 of 3 used Submit AnswerTwo 3011 kg train cars toward each other (Car A at 0.8 m/s, Car B at -2.13 m/s) on a level track. After they collide and couple together, what is the final velocity of the two-car object? Your answer should be in units of m/s but your should only submit the number for your answer (and don't forget to check your signs
- A Maxim machine gun fires 431 bullets per minute. Each bullet has a mass of 12g and a velocity of 686m/s.What is the average force that the impact of these bullets exerts on a target? Assume the bullets penetrate the target and remain embedded in it. Calculate answer to one decimal.A 12000 kg railroad car travelling at 10 m/s strikes a second car and comes to rest in 2 seconds. What average force was exerted to stop the first car? a O b c Od 120,000 N 60,000 N 24,000 N 240,000 NA 90.0 kg fullback running 36.9° north of east with a speed of 5.00 m/s is tackled and held onto by an 60.4 kg opponent running north with a speed of 5.34 m/s. What is the magnitude of the velocity of the players immediately after the tackle?