A car, initially traveling at 16.7 miles per hour, comes to rest in 3.3 s. What was its acceleration in this time?
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Q: What is the relationship between the position and velocity vectors for motion on a circle?
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Q: 16. Prove the relation E² - p*c² = mc*, where p is the momentu
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Q: Q7). A soft tennis ball is dropped onto a hard floor from a height of 2,85 m and rebounds back to a…
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Q: The engine of a 1,301 kg car provides a forward directed force of 5,386 N. If the car accelerates at…
A: Given: The mass of the engine is 1301 kg. The forward applied force by the engine is 5386 N. The…
Q: Using a modified pulley system, you need to lift 450 N of concrete a total distance of 5 meters…
A: Lifting force F1 = 450N Distance moved d = 5m If we pull the distance D = 15m The required force F2…
Q: In the circuit shown below, V=4V, 1 = 4 A, R1 = 3 2 and R2 = 17 Q2. Using either superposition or…
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Q: A boxer punched a punching bag weighing 300 N horizontally with a force of 200 N. The c.g. of the…
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Q: You demonstrate hitting a board in a karate class. The speed of your hand as it hits the thick board…
A: Given: initial velocity, u = 14 m/s mass, m = 0.7 kg time, t = 0.002 s final velocity, v = 0
Q: H.W: Two blocks connected by a cord passing over a small frictionless pulley rest on frictionless…
A: According to Newton's second law Net force =mass×acceleration FBD of the block and the system:
Q: a. Set up the equations to solve the problem. b. Determine R1 and R2. 300 Ib 400 lb 100 lb/ft 6'- 8'…
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Q: For this question, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from…
A: Given, an 85,000kg missile on the moon fires its engines while tilted at 34 degrees from the…
Q: A 2500 kg roller- coaster completes a loop of radius 16 m in 3.00 s. a. Draw an FBD of the coaster…
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Q: 6. Calculate the magnitude of the resultant of three concurrent forces: The first force is 200 N…
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Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…
A: Step 1: here we have solved for question a Step 2: here we have solved for question b Step 3: nil…
Q: 7. Block Aslides to the left with an initial speed of 2 m/s with respect to the ground on a…
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Q: Determine the acceleration of the cable drawn into the motor to make the load B attain a speed of 8…
A: Given, Speed at load, vB=8m/s Time, t=3s Length of string 1, SB+2SB-SC=l13SB-2SC=l1 Time derivative…
Q: H.W If m, = 4.00 kg, m, =3.00 kg, and F=9.00 N, find the magnitude of the acceleration of the system…
A: Given data m1=4 kgm2=3 kgF=9 N
Q: corre hacia acả v constante rueda hacia ac An acrobat who is on the lateral surface of a cylinder,…
A: Hey dear have a look
Q: 5. C= A × B. (Note that vectors are in boldface.) (a) If A points in the +x direction, and B points…
A: a) Given Direction of A = +x…
Q: A 25.0 kg girl stands on a large raft that is 5.00 m and free to move across the river. The girls…
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Q: You are standing in a moving bus, facing forward, and you suddenly fall forward. This happens…
A: Inertia is defined as a property of matter by which it remains at the state of rest or in uniform…
Q: 11. A motor cycle is moving with a velocity of 36.0 m/s when it encounters a ramp which is 22.0…
A: Initial velocity = 36m/s Height = 22m
Q: Luke and his friends will play pinata game. He attached the 5 kg pinata to a string, and he is…
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Q: ans. a) 3.41 N a) What is the tension in the string? m/sec. The length of the string is 1.2 m. The…
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Q: wo students went to the pool to relax on a summer day. Both students have inflatable floats, and are…
A: In all collision momentum remains conserved Momentum before collision = momentum after collision
Q: g. If your answer to f was yes, describe the equal and opposite force by answering these questions:…
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Q: Use conservation of energy to calculate ymax, or hp.
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Q: A 200-N block in contact with a level plane is acted upon by a horizontal force P = 100N. The fk =…
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Q: What is the net force of a cart in a tiled floor if its kinetic friction is 20 N and the frictional…
A: Net force is equal to the difference between applid force minus force due to friction.
Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…
A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.
Q: A 1200 kg car is moving at 30 m/s and comes up to a hill. How high can the car go up the hill before…
A: To solve the question, we will use the conservation of energy.
Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…
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Q: 1A Vab
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Q: The graph shows the motion of an RC helicopter. What will be the average speed from point ‘A’ to…
A: average speed = (distance) / (time) For distance see y - axis for time see x- axis In 0 to 5…
Q: Perhaps the most important safety tip for operating motorcycles, off-road vehicles, mopeds, and…
A: The correct option is (C) . i.e always wear a helmet.
Q: Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi…
A: Mass of Abi is m = 55.00 kg
Q: I watched a lot of Looney Toons when I was a kid, and liked that the Roadrunners legs would spin for…
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Q: Luke and his friends will play pinata game. He attached the 5 kg pinata to a string, and he is…
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Q: 3. A 5.0-g bullet travelling at 625 m/s strikes a block, causing it to move back by 6.0 cm before…
A: In a given problem we have to assume that the force is constant so according to Newton's law the…
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