A toboggan of mass 9.0 kg is moving horizontally at 24 km/h. As it passes under a tree, 13 kg of snow drop onto it. Find its subsequent speed. (km/h)

Q: A stationary ball of mass 0.4 kg is kicked so that the kicker's foot departs at 5 m/s in a direction…

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Q: Two 18.7 kg ice sleds are placed a short distance apart, one directly behind the other, as shown in…

A: The given data we have: Mass of the sleds: 18.7kg Mass of the cat: 2.39kg Speed at which the jumps…

Q: A skateboarder lets himself fall from the top of an 8.00 m ramp to go up the second one of 2.50 m.…

A: (a) Given: The top of the first ramp is at a height of 8 m. The top of the second ramp is at a…

Q: A 4.6-g bullet leaves the muzzle of a rifle with a speed of 328 m/s. What force (assumed constant)…

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Q: ) Two figure skaters, one weighing 625 N and the other 725 N, push off against each other on…

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

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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: 16) A boy of mass 60.0 kg is sledding down a 70.0 m slope starting from rest.  The slope is angled…

A: a)Velocity after sledding of 20m is g=9.8m/s2  V=2ghV=2g(20sin15°)V=10.07m/s

Q: A bullet of mass 25.0 kg strikes a block of wood at a speed of 395m/s. The bullet embeds itself in…

A: Given: Mass of the bullet, m = 25.0 kg Initial speed of the bullet, v = 395 m/s The bullet embeds…

Q: In the figure, a stationary block explodes into two pieces L and R that slide across a frictionless…

A: In the figure, a stationary block explodes into two pieces L and R that slide across a frictionless…

Q: A rifle bullet with a mass of 12.0 g travelling toward the right at 260 m/s strikes a large bag of…

A: Given : m = 12 g = 0.012 kg vi = 260 m/s ∆x = 23 cm = 0.23 m vf = 0 (because finally bullet strikes…

Q: 3. (a) A baseball of mass 0.13 kg, pitched with a speed of 40.0 m/s, returns exactly in the opposite…

A: For (a) Mass of base ball m=0.13 kgInitial velocity vi= -40m/sconsidering opposite direction as…

Q: 20. During a stormy season, winds can move horizontally at 30 m/s. If air strikes a person at the…

A: Given: The speed of the wind is 30 m/s. The strike rate is 40 kg/s.m2. The height of the person is…

Q: [4.] On a very muddy football field, a 100 kg linebacker tackles a 80 kg halfback. Immediately…

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Q: Shot put is a track and field event in which a heavy spherical ball (the "shot") is thrown (or…

A: The given values with suitable variables are listed below. Here, m denotes the mass, u denotes the…

Q: A bullet (with a weight) travels at a velocity, and penetrates a block of wood and emerges cleanly…

A: In this this question change in kinetic energy is consider as energy provided to block then…

Q: Two air carts of mass m1 = 0.84 kg and m2 = 0.42 kg areplaced on a frictionless track. Cart 1 is at…

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Q: A firework shell of mass m launched into the air and exploded when it reaches its highest point of…

A: Relevant theory: Newton's first law states that an object in a state of rest or motion remains in…

Q: kg

A: We need to find the net force exerted at point B in magnitude and direction. This problem can be…

Q: In the figure, two long barges are moving in the same direction in still water, one with a speed of…

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Q: An 800 kg car skidding due north on a level frictionless icy road at 100 km/h collides with a 1280…

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Q: Car B, of mass 1900 kg, was stopped at a red light when it was hit from behind by car A, of mass…

A: (a)Mass of car A=1500 KgLet velocity of car A before collision be U m/sMass of car B= 1900…

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

A: Given that,

Q: A 4.0-g bullet leaves the muzzle of a rifle with a speed of 338 m/s. What force (assumed constant)…

A: Given data:  Mass (m) = 4.0 g = 4.0×10-3 kg Initial velocity (u) = 0 m/s Final velocity (v) = 338…

Q: a 8 kg bowling ball, moving at 10 m/s to the right, hits and bounces off a second bowling ball with…

A: given that, mass of ball moving right (m1) = 8kg mass of ball moving left(m2) = 5kg  Initial…

Q: A 30 gram bullet moving horizontally with a velocity of 450 m/s gets imbedded in a 10 kg block…

A: Given data:  Mass of bullet (m) = 30 g = 0.030 kg Velocity of bullet (v) = 450 m/s Mass of block…

Q: A 30 kg box with a height of 0.230 meters is on top of a 0.5-meter- high table and is initially at…

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Q: Two forces, F, - (-4.85i - 4.10j) N and F, - (-3.65i - 5.10j) N, act on a particle of mass 1.60 kg…

A: Acceleration of the particle a→=F→netm=F1→+F2→m=-4.85i^-4.10j^ N+-3.65i^-5.10j^ N1.60…

Q: A 29,000 kg freight car is coasting at 0.700 m/s with negligible friction under a hopper that dumps…

A: (a) According to the conservation of momentum, the momentum of the system in the direction of…

Q: Two forces, F, = (-3.55î + 2.95j) N and F, = (-4.30î + 4.95ĵ) N, act on a particle of mass 1.60 kg…

A: Given information: The mass of the particle (m) = 1.60 kg The initial velocity of the particle (u) =…

Q: What is the ball's kinetic energy at the start of its motion?

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Q: jetliner is moving at a speed of 215 m/s. The vertical component of the plane's velocity 40.6 m/s.…

A: Vertical component of velocity is given by  Vy=V sinθ 40.6=215sinθ θ=sin-1(40.6/215)=10.88 deg

Q: In the figure, a runaway truck with failed brakes is moving downgrade at 109 km/h just before the…

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Q: A curved incline is used to give a box a certain velocity as it slides down. The box has a mass of…

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Q: A bullet of mass 52 grams is fired horizontally into a 5.2 kg wooden block on a horizontal surface.…

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Q: At the center of a 40.1 m diameter circular (frictionless) ice rink, a 72.8 kg skater travelling…

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Q: A 4.4-g bullet leaves the muzzle of a rifle with a speed of 336 m/s. What force (assumed constant)…

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Q: Two forces, F, = (-5.80î – 3.95j) N and F, = (-3.70î – 5.95j) N, act on a particle of mass 2.30 kg…

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Q: Two forces, , = (-2.65î + 4.10j) N and F, = (-4.50î + 7.10j) N, act on a particle of mass 2.30 kg…

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Q: A 95.0 kg football player is standing on a sheet of ice, i.e., there is negligible friction between…

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