A 500 lb elephant falls from rest when the bridge it was walking on collapsed under its feet. How far does it fall during the second second of its fall? CHoices: 4.9m 15m 25m 9.8m 20m

Q: Toss a ball of mass 3 kg up initially with velocity 6.4 m/s.  How high does it go in meters?

A: given, mass m = 3kg initial velocity u=6.4 m/s Final velocity v=0

Q: Elon is at the floor of a building h = 24 m tall. He launches a toy rocket of mass m = 0.4 kg…

A: Height of building (h) = 24 m mass of toy rocket (m) = 0.4 kg Force (F) = 10 N initial velocity of…

Q: A large piece of wood is at rest on a horizontal floor. The coefficient of kinetic friction between…

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Q: A suspended mass of 20 grams located at 210° in the force table is the same as: O 20 grams at 30°…

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Q: A bullet having a mass of 0.45kg is fired vertically upward with a muzzle velocity of 915 m/s.  The…

A: it is question  about work , enrgy and force .

Q: A ball of mass 0.320 kg is thrown upward, rising 11.1 m above the point at which it was released.…

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Q: Two go-karts are pushed from the same starting point with the same constant force. They are each…

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Q: Two masses are connected by a string as shown in the figure below. Mass m1=3.7 kg rests on a…

A: The free-body diagram of the mass on the inclined plane is shown below. Now, apply Newton's second…

Q: You are with 20 other people on a boat at rest in frictionless water. The group's total mass is 1560…

A: Given that ---  total mass = 1560 kg boat's mass = 1.2×104 kg.  The entire party walks = 6.3 m…

Q: In a baseball game, one of the players graps the ball and lessens the influence of the ball by…

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Q: An electron with a speed of 1.2 * 107 m/s moves horizontally into a region where a constant vertical…

A: Given: Horizontal velocity, v = 1.2 x 107 m/s vertical force,F = 4.5 x 10-16 N  mass,m = 9.1 x 10-31…

Q: block of wood provided a decelerating force of -500 N to stop the penetration of a 0.005 kg spear…

A: Given:The deaccelerating force is -500 N. The mass of the spear is 0.005 kg. The initial velocity of…

Q: Determine the magnitude of the y-component of force P (N) if P=104.4 N, Q = 64.4 N , θ= 58.6° and α…

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Q: a 60 kg object is moving at 20m/s when a force brings the object to rest in 0.050 seconds. of the…

A: Given, mass of the object (m) = 60 kg  Initial speed (u) = 20 m/s  Final speed (v) = 0 m/s  Time…

Q: 10 kg A 30° A block of mass 10.0 kg sits on a 30° incline, with a rope attached as shown. The rope…

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Q: A car of mass 1200 kg is accelerated from rest to a speed of 72 km/hr in 40 seconds. Calculate the…

A: Given data: Mass of car is, m=1200 kg. Initial speed of car is, u=0 m/s.…

Q: A bullet of mass 20g traveling at 16m/s penetrates a sand bag and is brought to rest in 0.05s . Find…

A: A. Depth of penetration  is  0.4m B. Average  retarding  force is 6.4

Q: While exercising in a gym, you hold a 2,000-N weight at the height of 0.5 m above the floor. The net…

A: Given:- you hold a weight 2000 N at a height of 0.5 m above the floor .

Q: A 0.35 kg baseball is dropped from the rest from a height of 3.85 m. How fast will it travel just…

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Q: A 69.8 kg bungee jumper is initially standing at rest on a bridge. After falling a distance 13.2 m,…

A: Given, a mass m = 69.8 kg bungee jumper is initially standing at rest on a bridge (taking downward…

Q: of a mass of 2.5-kg is launched upwards, with an initial speed of 39 m/s. How fast is the object…

A: GivenMass of object, m=2.5 kgInitial speed of object vertically upward, u=39 m/s

Q: Adonai accidentally unholds a saucer that falls on the floor vertically. It splits into three parts…

A: According to the conservation of momentum, injitial momentum must be equal to the sum of momentum of…

Q: A 4.2 kg particle moving along the x-axis is acted upon by the force whose functional form appears…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A 10 N of force is applied to a toy car and toy car accelerates to 2m/s^2. If 20 N of the force is…

A:

Q: A 75-kg swimmer dives horizontally off a 500-kg raft. If the diver's speed immediately after leaving…

A: given data as per question mass of swimmer =  75kg mass of raft  =   500kg diver speed after leaving…

Q: Why Is It Dangerous To Jump Out Of A Moving Bus?

A: The inertia of motion causes the passenger of a bus to fall down or temporarily lose his balance as…

Q: Freight car A with a gross weight of 159000 lb is moving along the horizontal track in a switching…

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Q: weighing 120 pounds strikes the concrete wall of a fort in a velocity of 1500ft/s. the projectile…

A: Given mass m = 120 pound = 120 ×0.453 = 54.36 kg  Initial velocity = 1500 ft/s = 1500 × 0.3 = 450…

Q: A car's bumper is designed to withstand a 7.20 km/h (2.0 m/s) collision with an immovable object…

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Q: oard and you must slide your weighted disk 8m across the floor where it will come to rest on the…

A: Given:- The mass of the disk m =0.8 kg. The initial push of velocity u = 4 m/s.  The disk move…

Q: A manufacturing company is testing which material to enclose its packages with when dropping…

A: Impulse is change in momentum. So it can be found out by difference in final and initial momentum.

Q: A boxer moves into the punch so as to decrease the duration of impact by half,by how much will the…

A: How does the force change by reducing the impact time to half.

Q: An outfielder throws a 0.148 kg baseball with velocity 30 m/s at 25° above horizontal. Ignoring air…

A: Given data: Mass (m) = 0.148 kg Initial velocity (V0) = 30 m/s Angle (θ) = 25°, above the horizontal…

Q: A machine gun fires 150 g bullets at a speed of 1000 m/s. The gunman holding the machine gun in his…

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Q: An electron with a speed of 1.0 x 107 m/s moves horizontally into a region where a constant vertical…

A:

Q: A baseball with a mass of 145 g is thrown horizontally with a speed of 39.7 m/s (89 mi/h) at a bat.…

A:

Q: You have been hired as an expert witness in a crash investigation. Car A of mass 1900 kg crashed…

A: Given :             Car A of mass = 1900kg             Car B of mass = 1000kg             Frictional…

Q: A bowling ball weighing 70.0 N initially moves at a speed of 5.00 m/s. How long must a force of 45.0…

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Q: A cable with 21.37 N of tension pulls straight up on a 1.88 kg block that is initially at rest. What…

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Q: 2. After the box in the figure has moved 3 meters from rest, the constant force P = 600 N is…

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Q: A 4768-kg roller coaster train full of riders approaches the loading dock at a speed of 17.1 m/s. It…

A: Consider the retarding force be F, that is, applied against the motion of the roller coaster train.…

Q: A clay ball is launched from a spring gun, to the right, toward a block of wood, which is at rest on…

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Q: A ball of mass 0.300 kg is thrown upward, rising 10.0 m above the point at which it was released.…

A: A ball of mass M = 0.300 kg is thrown upward, rising h = 10.0 m above the point at which it was…

Q: A boat and its passengers have a combined mass of 5.10x10^2 kg. The boat is coasting into a pier at…

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Q: billiard ball strikes and rebounds from the cushion of a pool table perpendicularly. The mass of the…

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Q: Two freight trains have a complete inelastic collision at a track crossing. Engine 1 has a mass of…

A:

Newton’s Third Law of Motion

The horse pulls the cart and the cart pulls the horse in response as per Newton third law. So the big question is, “Don’t the two forces cancel each other? How does the cart accelerate?”