A 50kg woman stands on a scale in an elevator. What will the scale read when the elevator (in units of Newtons): a. Is accelerating upward at 3m/s? b. Is moving upward at a constant velocity of 6m/s c. Is slowing to a stop at the top with an acceleration of magnitude 2m/s?

Q: Two people stand on different floors of an outside stairway. One is 6 m above the ground and the…

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Q: ball is thrown vertically from the ground with a velocity of 30 m/s.  a. What time is required for…

A: We know that the first equation of motion is given as  v=u+at where v is the final velocity  u is…

Q: An object is dropped from a tower, 171 ft above the ground. The object's height above ground t sec…

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Q: As part of an exercise program, a woman walks south at a speed of 2 m/s for 60 minutes. She then…

A: Given: The intial velocity of the object is 2 m/s in the south for 60 minutes. The distance traveled…

Q: 1. A child is pushing a sled with a constant velocity of 6 m/s for 8 seconds. What is the…

A: Dear student The acceleration is defined as the change in velocity per unit time. Also the equations…

Q: While at soccer practice, Abbey runs down the field at 10 meters per second. She has a constant…

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Q: A car traveling with an initial velocity of 40 m/s accelerates at 5 m/s2. What is the car’s final…

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Q: A car is traveling at an initial speed of 20 m/s and slows to rest with an acceleration of -5.0…

A: initial speed of the car(u) = 20 msFinal speed of the car (v) = 0 msAcceleration (a) = - 5 ms2

Q: A stone is thrown upward with a velocity of 12.50m/s from a bridge that is 55.6m high. a) What is…

A: a) Apply the second kinematic equation and substitute the required values. Calculate the total…

Q: If you toss a ball upward with an initial speed v = 2m/s, it reaches a max height h without air…

A: Given data:  Original initial velocity (v) = 2 m/s, vertically upward  Maximum height = h New…

Q: A 26kg red curling stone sliding at 0.81m/s hits a 20kg blue curling stone which is sitting still.…

A: Given, Mass of red curling stone,mr=26kgMass of blue curling stone,mb=20kgVelocity of red curling…

Q: A person is travelling at 60mph at a 45mph speed limit road. The person sees a reduced speed limit…

A: We know that 1 mile = 5280 ft; 1 hour = 3600 seconds.Thus,now, the driver was at a speed of 60 mph.…

Q: A car is driving along a circular track of diameter d = 0.75 km at a constant speed of v = 22 m/s.…

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Q: Figure below shows the data from a bathroom scale as a woman jumps straight up and then lands. Match…

A: The normal force measured by the bathroom scale is as shown in the graph . The force is plotted…

Q: A motorist starts from rest and traveled as seen in the speed-time graph. The total distance…

A: Please see the answer below

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!