11.0 m Cliff 22.5 m/s
Q: If an object falls from the top of the building, what will its speed be after 2.60 seconds?
A: Given data: Initial velocity (V0) = 0 m/s Time (t) = 2.60 s Required: The final velocity(v)
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Q: What is the distance covered by the car if it moved 45 km, East and 65 km, West?
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Q: As you go above the Earth's surface, the acceleration due to gravity will decrease. Find the height,…
A: The acceleration due to gravity, g, on Earth's surface is given by: g=GMR2 Where G is the…
Q: A 1.5-mm-long, 0.55 mg flea can reach a height of 17 cm in a single leap. Ignoring air drag, what is…
A: Given: The length of the flea l = 1.5 mm. The mass of the flea m = 0.55 mg. The height covered by…
Q: An F-18 with a weight of 22500 lb lands on a carrier with a speed of 120mph. If the run-out of the…
A: Acceleration from kinematic relation
Q: An 82.2 kg cross country skier glides down a small hill with a constant slope of 32.9 degrees. Find…
A: Given an 82.2 kg (say 'm') cross country skier glides down a small hill with a constant slope of…
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Q: Find the mass of a crate that is pushed with a force of 1500 N causing to accelerate at 0.80 m/s…
A: Solution: Consider the free-body diagram of the system as shown below:…
Q: A car starts from rest at the top of path 30 m long and inclined at 20° to the horizontal. Assume…
A: Given data: Initial velocity of car is, u=0 m/s. (As car…
Q: What is the acceleration due to gravity at an altitude of 1000 km.
A: Gravity is one of the four fundamental forces of nature it acts on all objects with mass and is…
Q: A block slides down a smooth inclined plane with an acceleration of 4.9 m/s2 . If the block weighs…
A: The free body diagram is shown below,
Q: Jan and Len throw identical rocks off a tall building at the same time. The ground near the building…
A: Given : speed of Jan rocks = u m/s Speed of Len rocks = 2u m/s Angle Len throw rock = 30° Height of…
Q: A man wants to cross the river in a fixed speed boat. If the river crosses in minimum time It takes…
A: The two cases are drawn as follows. Let Vboat be the velocity of the boat, Vriver be the velocity…
Q: A baseball player with a mass of 72kg slides into third base. The force of kinetic friction between…
A: Write the given values with the suitable variables. m=72 kgf=582 Nv=0 m/st=0.72 s Here, m is the…
Q: body of mass 10 slugs is dropped from a height of 102 feet with zero velocity. Assuming no air…
A: Given, Mass of body, M = 10 slugs Initial height, H = 102 ft Final height ,h = 0 ft Initial…
Q: A rock is thrown downward from a top of a building with an initial speed of 20 m/s. It strikes the…
A: The problem involves the kinematics of a falling object due to gravity, which can be described by…
Q: A 10 kg block on a frictionless surface is pushed to the right by a force of 70 N and to the left by…
A: Given data: Mass (m) = 10 kg F1 = +70 N F2 = -30 N Required: The acceleration (a)
Q: A box is sitting on an inclined surface. The angle of the plane is 20 degrees, and the mass of the…
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Q: A 5 kg cart is on a track. It is being held at the top of a hill that is 5 m high. If the bottom of…
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Q: You have two ways of driving from Beaverton to Arens. You can drive the scenic route or take the…
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Q: An F-18 with a weight of 22500 lbs lands on a carrier with a speed of 120 mph. If the run-out of the…
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Q: bus accelerates from rest until it reaches a speed of 1000 m/s. Assuming 50 s elapsed and the bus…
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Q: The parachute on a race car of weight 8,850 N opens at the end of a quarter-mile run when the car is…
A: Given Data: Car weight, Initial velocity, Final velocity, Distance,
Q: Someone (whose mass is 60 kg) is standing on a scale in an elevator that is accelerating upward,…
A: By newtons law we know that net force acting on an object is given by Fnet=ma Where m is mass of…
Q: A horizontal force of 59 N is required to slide a 16 kg box across a tile floor at constant…
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Q: A hover pack has a mass of 1000 g and hanging weight is 100 g. What is the expected elapsed time of…
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Q: Inertia is… A The amount of an applied force. B The resistance of any physical object to be…
A: Required : The inertia is ...
Q: A 59.4 kg person is moving at a constant 1.31 m/s downward in an elevator. What is their apparent…
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Q: You are trying to escape a hoard of zombies and must make an elevator to get down a cliff as fast as…
A: vmax = 10 m/s h = 25 m acceleration (a) = 2 ms2m2 = 100 kg
Q: In a thundercloud, there may be electric charges of +40.0 C near the top of the cloud and -40.0 C…
A: The charges may be approximated as point charges. The force (F) of electrostatic attraction on the…
Q: The weight (in newtons) of 600 g of grapes on the Earth is
A: The mass of grapes on Earth is given as Acceleration due to gravity is given as
Q: A trolley, while going down an inclined plane, has an acceleration of 2 cm s-2. What will be its…
A: Given : initial velocity (u) = 0 (rest position) Acceleration (a) = 0.02 ms-2 Time (t) = 3s
Q: As you go above the Earth's surface, the acceleration due to gravity will decrease. Find the height,…
A:
Q: during take off in space, an 75kg is subjected to an acceleration equal to 5 times the pull of…
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Q: A girl weighing 45kg is standing on the floor, exerting a downward force of 200N on the floor. The…
A: Mass of the girl (m)=45kg Force exerted (F) =200 N (In down ward direction)
Q: A city is trying to determine the speed limit for a given stretch of road. If a stop sign is visible…
A:
A sled with rider having a combined mass of 125 kg travels
over a perfectly smooth icy hill (Fig.). How far does the sled
land from the foot of the cliff?
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