Forces on Elevator Use the buttons to control the elevator and then use the graph to determine the mass of the crate, the top speed of the elevator, and the distance travelled by the elevator from start to finish. Start You can activate the graph at any time. Replay Click on Either the Up Button or the Down Button Up OTIS Elevator Click on Start Button to Begin Elevator Cycle Down Use Graph to Study Motion of Elevator. Graph Vernier Force Plate Replay or Hit End to Give Answers. End

Q: A skater is trying to perform a jump. her vertical take-off speed is 1.7 m/s. How high is her jump?…

A: given -              vertical take off speed ( u ) = 1.7 m/s = initial speed…

Q: A 4-kg car moving with a speed of 2 m/s starts up a hill. How high does the car roll before it stops…

A: Given: The mass of the car is 4 kg. The velocity of the car is 2 m/s. Introduction: When a body…

Q: What is acceleration of the car that moves at a steady velocity of 100km/h for 100s?Explain your…

A: Acceleration is,

Q: A Car traveling at 10 m/s begins to be accelerated at 12m/s^2. The distance the car covers in the…

A:

Q: MCQ A ball falls a distance h= 60 m in 2 s. What is the initial velocity v of the ball?

A: Given data : Height (h)=60 m Acceleration due to gravity (g)=10 m/s2 Time (t)=2 s   To find :…

Q: Velocity of a car does not depend on: A) Speedometer B) Change in direction C) Change in speed D)…

A: The velocity is defined as the rate of change of displacement.

Q: Falling body When an object falling from rest encoun- ters air resistance proportional to the square…

A: The distance falling by an object is given as, d(t) = mklncoshkgmt m is the mass of the object, g is…

Q: In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average speed

A: Requried : In a track meet a sprinter runs 400 meters in 100 seconds what was the sprinters average…

Q: An airplane touches down at an airport traveling 90.9 m/s and slows at a rate of 17.7 m/s2. How…

A: Write the first kinematic equation. v=u+at Here, v is the final velocity, u is the initial velocity,…

Q: The graph shows Vx versus t for an object moving in a straight line. What is the average speed fromt…

A: From the graph, it can be inferred that the object is moving with a constant speed from t=0 s to t=5…

Q: body moves from point A (2,1) to point B (7,13) to point C (15,19). What is the average speed of the…

A: Given: body moves from point A (2,1) to point B (7,13) to point C (15,19)

Q: a 1400 kilogram car traveling 15 meters per second brakes uniformly to a stop; it takes 6 seconds to…

A: Given, Mass m =1400 Kg Car traveling with speed u= 15 m/s Time t = 6 s final velocity v = 0 m/s (as…

Q: how big is the acceleration? a) -8.0 m/s^2 b) -2.6 m/s^2 c) 9,8 m/s^2 or d) 2,6 m/s^2

A: Solution: to find the acceleration from the velocity vs time graph

Q: car traveling in a circle with a uniform speed of 15 m/s means that the car travels a complete cycle…

A:

Q: How fast was a plane flying if it traveled 800km in 50 min *

A: How fast was a plane flying if it traveled 800km in 50 min *

Q: A car starts from rest and moves in a straight line. Calculate the total distance traveled by 60 10…

A: The total distance traveled by car from 10 minutes to 20 minutes is:

Q: An object is dropped from a height of 1000 km. How long, in seconds, will it take to fall? Mass of…

A: Gravitational acceleration as a function of distance

Q: An jogger traveling at a constant speed. After 8 s, she covers a distance of 24 m. How much distance…

A:

Q: car move at 19m/s then slam on brakes, slow down to 8.4m/s leaving 24.6 m long skid mark. what was…

A:

Q: The velocity of a body varies as, v = 2t+5t2. What is the acceleration at t = 10? a) 102 b) 100…

A: given velocity function v=2t+5t2 we know acceleration a=dvdt a=2+10tat t=10a=102

Q: 9. If you drop a 4.3 kg rock off the top of a building that is 187 m high, how long will it take to…

A:

Q: A Car traveling at 10 m/s begins to be accelerated at 1.2m/s^2. The velocity of  the car  in the…

A: Initial speed of the car,  Acceleration of the car,  Time taken,

Q: 16. Suppose that you measure the position of a chair using a meter stick and you record the distance…

A: Answer  1.04 m is the most reasonable measurement

Q: d. The speed that a vehicle was traveling, s, in miles per hour, when the brakes were first applied,…

A:

Q: A 7 kg object is dropped on Earth. Assuming it has not yet hit the ground what is the velocity of…

A:

Q: A 1.8 kg ball is kicked at a velocity of 6.08 m/s [E] at a stationary 48.0 kg girl. The bal bounces…

A: Speed of Ball= 6.08m/s

Q: A car slows down from -27.7 m/s to -10.9 m/s while undergoing a displacement of -105 m. What was its…

A:

Q: A 5kg fish moving at 4m/sec grabs a 500g sleeping fish for lunch. what is the velocity of the big…

A: The mass of big fish is mb = 5 kg. The speed of the big fish is vb = 4 m/sec. The mass of the small…

Q: a baseball is hit into the bleachers behind home plate it takes 23.3 seconds for the ball to go into…

A:

Q: Question To estimate the height of a bridge over a river, a stone is dropped freely in the river…

A: Given data, Stone is dropped so initial velocity u = 0 m/s Time taken t = 2 sec Acceleration due to…

Q: A cyclist travels 3 miles in 15 minutes and then a further 7 miles in 35 minutes without stopping.…

A: Given data: Cyclist travels 3 miles in 15 minutes Then 7 miles in 35 minutes Required: Average speed…

Q: 2. A golf ball is struck with a velocity of 80ft/s as shown. Determine the distance d where it will…

A: the angle with the horizontal, θ=45+10=55ohorizontal velocity, ux=80 cos(55o)=45.88 ft/svertical…

Q: A 2 kg watermelon is dropped from rest from a 6 m tall roof. a) Draw a sketch of the scenario.  b)…

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!