6. A crate whose mass m is 250 kg rests on the bed of a truck that is moving at a speed v, of 100 m/s. The driver applies the brakes and slows to a speed v of 50 m/s in 10 s. What is the acceleration ? +5 m/s? 50 m/s? -5 m/s? 100 m/s? A C

Q: Suppose you hang a 1.0 kg mass from a spring scale. But this time, instead of holding your hand…

A: Step 1:Given:The mass of the object: m=1.0 kgThe acceleration of the mass: a=5.2 m/s2,…

Q: 6. A skier wishes to build a rope tow to pull herself up a ski hill that is inclined at 15° with the…

A: As per our guidelines, we are supposed to answer only first one question in case of multiple…

Q: Bob pushes on a frictionless cart of mass 6.9 kg and the cart has an acceleration of 7.7 m/s2. If…

A:

Q: A 15 kg box is pushed across a frictionless floor with +5.7 N of force . What is the box’s…

A:

Q: An Object with a mass of 6.2 kg accelerates 12.3 m/s2 when an unknown force is applied to it. What…

A: Given value--- mass = 6.2 kg. acceleration = 12.3 m/s2  . We have to find--- force ?

Q: 9. If you throw a 15 kg rock, using 30 N of force, what would the acceleration of the rock be?…

A: 9. Given: Mass, m=15 kg Force, F=30 N Formula: Newton's Second Law is used to find the acceleration…

Q: Bob pushes on a frictionless cart of mass 6.8 kg and the cart has an acceleration of 1.2 m/s2. If…

A: Mass, m = 6.8 kg Acceleration, abob = 1.2 m/s² Acceleration, abill = ?

Q: Bob pushes on a frictionless cart of mass 22.5 kg and the cart has an acceleration of 1.3 m/s2. If…

A: Solution:-  1) According to the Newton's second laws of motion, the net force acting on an object is…

Q: Sarah stands on a bathroom scale inside an elevator. Sarah's mass is 50 kg. What does the scale read…

A: Given Mass is m=50 kg Acceleration due to gravity is g=9.80 m/s2 Uniform Velocity of elevator is…

Q: A child is rolling a ball down a slide to his friend. The ball has a mass of 3 kg, and the slope of…

A:

Q: Spongebob and Patrick are driving their car that has a mass of 1550 kg. They are driving at a…

A: Write the first kinematic equation and susbtitute the corresponding values to calculate the…

Q: Some rubber bands pulling on an object cause it to accelerate. If 4 rubber bands cause it to…

A: Given data:  The acceleration due 4 rubber bands a = 1.80 m/s2

Q: The weight of an astronaut plus his space suit on the Moon is only 235 N.  W=235N 1.       How much…

A:

Q: A 0.5 meter long string can withstand a maximum tension of 300 N before breaking. What is the…

A:

Q: You hang a 1.0 kg mass from a spring scale. Instead of holding your hand still so that the…

A: The spring scale, when held still, uses the acceleration of gravity to measure the object's weight.…

Q: Bob pushes on a frictionless cart of mass 12.5 kg and the cart has an acceleration of 11.3 m/s². If…

A: According to Newton second law F= MA HERE F is applied force M is mass of object A is acceleration…

Q: On planet X, a 5.0 X 101 kg bar can be lifted with a force of just 180 N. a. What is the…

A: Mass of bar = 50 kg  Force required to lift a bar = 180 N

Q: Pulling up on a rope, you lift a 9.42-kg bucket of water from a well with an acceleration of 2.20…

A: Mass of bucket (m) = 9.42 kg Acceleration of the bucket in upwards direction (a) = 2.20 ms2

Q: An elevator has a scale that measures the normal force between the contents and the floor. What…

A: Given:Mass,m= 960 kg Accelerating,a=1.5 m/s2Find  force will the scale.Now, Now,The elevator is…

Q: An 800 lb person stands in an elevator that moves upward slowing with a g/4 downward acceleration.…

A: Draw the free-body diagram of the person.

Q: A scale in the elevator’s floor measures the weight of the passengers, and it has the correct value…

A: Given, a situation where an elevator moves up with a constant speed of v=3.2 m s-1.   Recall that,…

Q: A box is at rest on a level floor. μ = 0.4 and μ = 0.3. You pull the box horizontally just hard…

A:

Q: A space traveller weighs herself on Earth at a location where the acceleration due to gravity is…

A: Given data:  Acceleration due to gravity on earth g = 9.81 m/s2 Weight on earth (w) = 521 N

Q: A force of 40.0 N is applied in the positive x-direction to a block of mass 5.80 kg, at rest on a…

A: Determine the acceleration of the block.

Q: The box has a mass of 100kg. What will be its acceleration?

A: In order to determine the acceleration of the box, we need to know the net force acting on the box.…

Q: 6. An astronaut has a weight of 500 N on the Earth. What is his/her weight on the planet with g =…

A: The weight of the astronaut on Earth is 500 N. The acceleration due to gravity on the planet is 0.65…

Q: An Atwood's machine with a frictionless pulley has mass1 5.9 kg and is accelerating up at 3 m/s2.…

A:

Q: An  Atwood's machine with a frictionless pulley has mass1 = 5.9 kg and is accelerating up at 2 m/s2.…

A:

Q: 5 8 6 1 point A force of 4,700 N on an iceberg causes an acceleration of 2m/s2. What is the mass of…

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!