10. A 1.25-kg box is being pulled across a level surface where H is 0.80. If the string is suddenly cut, causing the applied force to immediately go to 0.0 N, what is the rate of acceleration of the block?

Q: A constant net force acts on an object. The object moves with Select one: а. constant acceleration…

A: A constant net force act on object.

Q: Researchers have measured the acceleration of racing greyhounds as a function of their speed; a…

A: (a)  The average force acting on it during its initial acceleration phase is Favg=ma=32 kg10 ms2=320…

Q: A driver in a 1000.0 kg car traveling at 37 m/s slams on the brakes and skids to a stop. If the…

A: Given data:  Mass (m) = 1000.0 kg Initial velocity (u) = 37 m/s Final velocity (v) = 0 m/s…

Q: direction

A: The diagram shown below represent the situation given in the problem. Therefore writing the…

Q: Page 138 Practice Problem 5.14: If, instead of the fish, we place a 3.00 kg rock in the pan, how…

A: Given data : Compressed distance when 12N weight is placed in the pan, ∆L=1cm=0.01m Mass of the…

Q: A space explorer weighs 200lb on planet earth. If the explorer weighs 20lb on the surface of a…

A: Required : The acceleration due to gravity on the surface of the asteroid.

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: A race car driver is told that her new tires will increase the frictional force between the tires…

A: Let the original velocity = u The final velocity = v The initial coefficient of friction = μkLet the…

Q: The rock hits the bad guy's face with a velocity of 45 m/s. If the rock is in contact with his face…

A: Given, velocity v = 45 m/s  Time = 0.05 s final velocity, v'=40 m/s

Q: In a crash test, a car is driven into a solid wall at a speed of 35 mph. As shown the car’s…

A: Given   Mass of the car m =1650 kg  Maximum acceleration a = 300 m/s2        From the graph

Q: A 75 kg P1020 student standing on a scale in a moving elevator looks down at the scale and notes…

A:

Q: A car is traveling along at 20 m/s when it suddenly slams on its brakes. If the mass of the car is…

A: It is given that, u=20 m/sm=1000 kgF=2000 N

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: The figure shows a container of mass m, = 3.9 kg connected to a block of mass m, by a cord looped…

A:

Q: When applying a constant force for 5 seconds to different objects each with a starting velocity of…

A: When a constant force is applied to an object, it undergoes a constant acceleration according to…

Q: A crate with a mass of 30 kg rests on a floor. On top of the crate stands a 45-kg girl. What is the…

A:

Q: difference between statics and dynamics in the field of biomechanic

A: Difference between statics and dynamics in the field of biomechanics and force.

Q: A force of 61 N causes a rock to accelerate at a rate of 4 m/s2. What is the mass?

A: Write the given values of the problem- Force(F) F=16 N Acceleration(a) a=4ms2

Q: You are pushing a 40 kg sled across some snow with a coefficient of friction of 0.2. How much force…

A: Answer :  The force required to push must be 78.4N .

Q: A runner starts at 0m/s and after 5 seconds is running at 10m/s. What is the net force that the…

A: Newton's second Law of motion: It states that acceleration on an object is the result of net force…

Q: Box A weighing 12 pounds is being dragged at the speed of 3 ft/s. Box B weighs 25 pounds. The KC for…

A:

Q: A stone was dropped from rest, and it hit the ground 3.0 seconds after release. Air drag was…

A: Given data The time taken by the stone after releases are t = 3 s. The initial velocity of the…

Q: A 1,200-N crate is being pushed across a level floor at a constant speed by a force F of 260 N at an…

A:

Q: A 75 kg astronaut brings a standard bathroom scale with him into space. What does the scale read if…

A:

Q: Part C What is the magnitude of the acceleration? Express your answer in meters per second squared.…

A:

Q: A 0.55kg block is being pulled by a 2.5 N force East across a horizontal frictionless surface. What…

A: Use Newton's second law F→=ma→a→=F→m

Q: A motorcycle’s engine provides 5,000N of applied force. The mass of the motorcycle is 600kg and the…

A: According to question we need to draw free body diagram and value of each force .

Q: A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it…

A: Kinematics.

Q: A 3500lb car decelerates from 60mph to 45mph in 8 seconds. Neglecting friction, what is the average…

A:

Q: A 6.0-lb stroller resting on a horizontal floor is pulled by a 85-lb boy with a constant force of…

A: Given mass of stroller ms = 6 lb = 2.72 kg mass of boy mb = 85 lb = 38.56 kg value of Force F = 75…

Q: Two students are working together to build a birdhouse. Student 1 applies a force of 10 N to a…

A:

Q: A force of 15N acts on a body of mass 2kg. Calculate the acceleration produced. A 7.5 ms 2 B 30 ms 2…

A: Given data,        Force  =   F        Mass   =  m      To find,          Acceleration

Q: An 60 kg astronaut travel from earth to moon, where the gravity of moon is 1.6 m s 2. What is the…

A: The mass of a body or an object is same irrespective of the body being in earth or moon. The mass of…

Q: Children sled down a 41 m long hill inclined at 24 degrees. At the bottom, the slope levels out. If…

A:

Q: A parachute has the same mass when it is in a pack and when it is spread out, but when the parachute…

A: The mass in both the given cases is identical for the parachute. When the parachute is not spread…

Q: body having a mass of 40kg rests on a horizontal table and it is found that the least horizontal…

A:

Q: A vertical spring has a length of 0.175 m when a 0.25 kg mass hangs from it, and a length of 0.725 m…

A: The length of the vertical spring is l1 = 0.175 m The hanging mass is m1 = 0.25 kg. The length of…

Q: A force of 15N acts on a body of mass 2kg. Calculate the acceleration produced. A 7.5 ms 2 B 30 ms ²…

A:

Q: A force of 15N acts on a body of mass 2kg. Calculate the acceleration produced.

A: Given Data: Force Applied on the body (F) = 15 N Mass of the body (m) = 2 kg   To calculate : The…

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A:

Q: A car travelling at a horizontal path (starting from rest) encounter a resistance four times its…

A:

Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!