A 866-kg car starts from rest on a horizontal roadway and accelerates eastward for 5.00 s when it reaches a speed of 30.0 m/s. What is the average force exerted on the car during this time?

Q: A car traveling at 20 m s" collides with a massive wa!l and stops instantly. A passenger of mass 75…

A: Given, velocity of car = 20 m/s So, velocity of passenger = 20m/s  mass of passenger, m = 75kg Now,…

Q: A rock of mass m = 1.9 kg is released from a height of h = 3.2 m into a basin of water. At a time of…

A:

Q: A girl with a mass of 52kg rides a skateboard with a mass 1.5kg. She uses her foot to apply a force…

A: Given: The mass of the girl is 52 kg. The mass of the skateboard is 1.5 kg. The acceleration of the…

Q: A steady force impacts a 0.85 kg ball resting on the ground. The impact lasts 0.36 seconds,…

A: Given Data, Mass of the ball (m)=0.85 kg Time duration (∆t=0.36 s Velocity (v)=3.1 m/s

Q: A) Find the force (in N) exerted on the car      Magnitude =      Direction (counterclockwise from…

A: Analyze the following diagram. Let the clockwise direction is the positive direction of angle. A)…

Q: An object with a mass of m= 15 kg is at rest on a frictionless surface and is subject to 2 forces…

A:

Q: The block A with mass of 80 kg slides along the top of the block B with mass of 110 kg. The block A…

A: Given data: The mass of A is mA=80 kg. The mass of A is mB=110 kg. Force on A is F=700 N. The…

Q: A 55.0 kg object traveling at 8.50 m/s is brought to rest in a time of 1.10 s. What is the average…

A:

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.4 m/s2. If the river is…

A:

Q: When a 0.058 kg baseball is hit by a bat, it accelerates to a speed of 45 m/s coming from rest. The…

A:

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A:

Q: A child’s model boat, when placed in a creek, accelerates from rest at 1.51 m/s2. If the river is…

A: Initial velocity = 0 msAcceleration (a) = 1.51 ms2Force (F) = 0.79 N

Q: A diver with a mass of 110 kg on a high board 10.0m above the water’s surface dives off the board…

A:

Q: - net force

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Q: A rocket is launched vertically from the Earth, and the thrust (pushing force) from the engines is…

A: Acceleration = Force /mass

Q: he air exerts a forward force of 10 N on the propeller of a 0.40 kg model airplane. If the plane…

A: To determine,the magnitude of the resistive force(FR )exerted by the air on the airplane.given,Force…

Q: After a day of testing race cars, you decide to take your own 1460.7 kg car onto the test track.…

A:

Q: A cart that can move along a straight track has a mass of 3.00 kg and an initial velocity of 4.00…

A:

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: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A: Given data:  Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 45.3 m/s Time interval (Δt) = 6.11…

Q: A student's backpack, full of textbooks, is hung from a spring scale attached to the ceiling of an…

A:

Q: A 3000-kg spaceship is moving away from a space station at a constant speed of 3 m/s. The astronaut…

A: M = 3000kg u = 3m/s

Q: A car is moving along a frictionless surface with a speed of 2 m/s to the left. You and your friend…

A:

Q: A hockey puck with a mass of 0.5kg slides horizontally on the frictionless ice of a hockey rink. Two…

A: Given data The mass of the hockey puck is m = 0.5 kg. The magnitude of the force F1 = 5 N. The…

Q: An ice skater(3), mass 20 kg, is sliding on ice (frictionless). Two other ice skaters (1,2) come out…

A: F1 = 5 N @20 degree below the horizontal F2 = 8N@60 degree above the horizontal

Q: In a performance test, each of two cars takes 9.6 s to accelerate from rest to 26 m/s. Car A has a…

A: According to Newton's Second Law of Motion, the net force acting on the object is equal to the…

Q: A small rocket of weight 1.7 lbs is launched vertically with thrust 3 lbs from a stand on the ground…

A:

Q: A toy wagon is on a straight, horizontal track and has a fan attached to one end. The wagon is…

A: Given: m1=355 gs1=1.5 mt1=4.55 sm2=722 gs2=1.5 m To find: a). What is the net force exerted on the…

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: Helicopter drops a 0.30 kg copper ball onto a steel plate. The ball's velocity just before impact…

A:

Q: A 5-kilogram object is moving in a plane, with its x and y coordinates given by: x(t) = 5t2? 1 ,…

A:

Q: At one point in time, a 17.5 kg sled is moving over a horizontal snow surface at a speed of 3.50 m /…

A: Given: The mass of sled is m=17.5 kg. The speed of sled is v=3.50 m/s. The time after sled stops is…

Q: In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and…

A:

Q: Part (c) Write an expression for the magnitude of the normal force, FN, acting on the block, in…

A: Given  Mass of block m=25 kg  force F1=8.5 N  F2=23.75 N  θ=150

Q: A ball of mass m = 1.55 kg is released from a height of h = 2.8 m into a tank of water. At a time of…

A:

Q: A semi is traveling down the highway at a velocity of v = 27.5 m/s. The driver observes a wreck…

A: The frictional force due to kinetic friction is given by Ff = μkN, where μk = coefficient of kinetic…

Q: A cart that can move along a straight track has a mass of 3.00 kg and an initial velocity of 4.00…

A: In this question we are given that a cart that can move along a straight track has a mass of 3.00 kg…

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: