A 60 kg man riding a 15 kg bicycle took 8 seconds to reach a constant speed 4.0 m/s from rest. Assuming that he is on a horizontal frictionless road, what is the net force acting on the bicycle?

Q: A car has a mass of 1500 kg. If the driver applies the brakes while on a gravel road, the maximum…

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Q: An 80 kg person is standing on a scale in an elevator. Find the weight that the scale reads when the…

A: The answers are below

Q: You slide a 0.0115 kg hockey puck up an icy hill that has a slope of 16 degrees. If the coefficient…

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Q: A bullet is moving at 400 m/s as it leaves a rifle barrel that is 65 cm long. If the mass of the…

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Q: A 2000 kg car increases its speed from 2 m/s to 8 m/s in 3s on a rough road, while the engine…

A: Given,  m = 2000 kg  u = 2 m/s  v = 8 m/s  Forward Force F = 6940 N  Now the free body diagram of…

Q: A 2-kg object is thrown upwards with an initial velocity of 16 m/s. At the peak of the trajectory,…

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Q: 2.21 Four concurrent forces act on the center of mass of a landing airplane. Calculate the resultant…

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Q: At the end of a roller coaster ride, the cars must slow to a stop, but the magnitude of the…

A: Given data:  Maximum acceleration (a) = 1.5g Mass (m) = 2000 kg Required: The magnitude of the…

Q: The acceleration produced when three forces act on a 0.060-kg object is a = 3.8302 + 3.1403 m/s². F₁…

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Q: A block of mass m = 16.0 kg is on a frictionless table to the тo т left of a second block of mass m2…

A: Given information:The mass of the block 1 (m1) = 16 kgThe mass of the block 2 (m2) = 24 kgForce…

Q: A 1,500-kg car starts from rest and takes 10 s to reach a speed of m/s. What is the force the engine…

A: Write the given values of this problem. m=1500 kgt=10 sAt rest, u=0

Q: At an instant when a soccer ball is in contact with the foot of the player kicking it, the…

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Q: What is the magnitude of the final velocity of a 7.5 kg moving push cart maintained by an unbalanced…

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Q: A 0.3 kg coffee cup is sitting on a desk. If the acceleration due to gravity is 9.8 m/s what is the…

A: Given  Mass of coffee cup is m= 0.3 kg Acceleration due to gravity is g= 9.80 m/s2

Q: A 3.40-kg object is moving in a plane, with its x and y coordinates given by x = 3t2 − 2 and y = 2t3…

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Q: A 3-kg box is on a rough horizontal surface. An external force F is applied horizontally to the box.…

A: Answer is Option (b) The expression for find magnitude of acceleration of the box is a=Fm

Q: A box of mass 15 kg was pushed by a person who has let go of it so that it is currently moving at 55…

A: According to Bartleby guidelines, I can only answer the very first question in case of multiple…

Q: A 57 kg skier is going down a mountain side, during one particularly steep region their velocity can…

A: Net force =( mass ) (acceleration)  acceleration = time derivative of the velocity

Q: A football player at practice pushes a 60 kg blocking sled across the field at a constant speed. The…

A: Given data     The mass of the blocking sled, m = 60 kg Let F be the required force.

Q: Two crates, one with mass 4.00 kg and the other with mass 6.00 kg, sit on the frictionless surface…

A: Given that,  The mass (m1) of the first crate is 4.00 kg. The mass (m2) of the first crate is 6.00…

Q: A woman driving a 2000 kg car at 15 m/s fully applies the brakes 50. m from a stoplight. If the car…

A: Given data: Mass (m) = 2000 kg Initial velocity (v0) = 15 m/s Final velocity (Vf) = 0 m/s Brakes…

Q: A 450 kg Sports car accelerates from rest to 27.78 m/s in 4.8s. What magnitude of force does a 68.0…

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Q: 5,400 kg freight truck accelerates from 8 m/s to 43 m/s in 1.0 s by applying a constant force. How…

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Q: A net force of 300 N directed 30• north of east acts on a motorcycle and its rider. If the total…

A: Given data :              Net force (Fnet) = 300 N              Direction of force = 30° north of…

Q: Assume that an object has no unbalanced force acting on it. Which statement about the object is…

A: Given data: The unbalanced force on the object is zero. Fnet = 0

Q: A 5.0 kg block has an acceleration of 0.20 m/s2 when a force is exerted on it. A second block has an…

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Q: Boxes of various masses are on a friction-free, level table. From greatest to least, rank the a. net…

A: (a)The two forces acting on each box are in opposite direction. Hence the net force on each of them…

Q: 3. An object with a mass of 0.5 kilogram starts from rest and achieves a maximum speed of 20 meters…

A: Given data: Mass (m) = 0.5 kg Initial velocity (v0) = 0 m/s Final velocity (v) = 20 m/s Time (t) =…

Q: 2.21 Four concurrent forces act on the center of mass of a landing airplane. Calculate the resultant…

A:

Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

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Q: A block m1 of mass 5.0 kg rests on block m2 of mass 15.0 kg, which is tied to a wall by a horizontal…

A: Write the given values of the problem- mass of the block-m1=5 kgm2=15 kgm3=20 kgcoefficient of the…

Q: A 26.84 kg dog jumps on a 86.86 kg bed. As the dog walks around on the bed, what is the average…

A: mass of dog = m1 =26.84 kg mass of bed = m2 = 86.86 kg

Q: A bullet with a mass of 20.0 grams is fired from a gun with a 10.0 cm barrel at a velocity of 300.0…

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Q: An airplane of mass of 5000 kg has to perform an emergency landing.it makes contact with the ground…

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Q: A(n) 927 kg drag race car accelerates fromrest to 115 km/h in 1.11 s. What average force is exerted…

A: Given datamass of car m=927 kgInitial velocity u=0Final velocity V=115 km/h…

Q: Three forces, 14 N, 35 N, and 20 N, are acting on a 9.6-kg object. All act along either the +x or -x…

A: Given: mass of object, m = 9.6 kg   the forces acting along the x axis i.e. either along +x or -x…

Q: At t = 0, an object of mass m is at rest at x = 0 on a horizontal, frictionless surface. A…

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Q: A box of mass m1 =10.0 kg rests on a smooth , horizontal floor next to a box m2=5.00 kg if you push…

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Q: A skier with a mass of 60 kg is sliding down a snowy slope, the slope with an angle of 30 degrees…

A:

Q: A skydiver jumps out of a plane. She quickly accelerates to a constant velocity. Which statement is…

A: statement D is true . when skydiver fall downwards then its speed increase with time. Same air…

Q: A freight train has a mass of 1.4x10^7 kg. if the locomotive can exert a constant pull of 8.3x10^5…

A: According to the Newton’s second law, the acceleration of the freight train,Substitute the values,

Q: At the end of a roller coaster ride, the cars must slow to a stop, but the magnitude of the…

A: The magnitude of the maximum allowable force goes to completely stop the cars of the roller coaster…

Q: If the net force acting on a body is zero

A: In the given question, We have to discuss about ,  if the net force acting on a body is zero then…

Q: A patient of mass 103 kg, lies on a trolley-bed in an elevator. The elevator undergoes an…

A:

Q: At an instant when a soccer ball is in contact with the foot of the player kicking it, the…

A: Mass of ball m = 0.48 Kg X component of accl ax = 830 m/s² Y component of accl ay = 720 m/s² Fnet =…

Q: normal force

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: