Aunt Matilda flips a penny straight upward at 1.5 m/s. It falls down to the floor....
Aunt Matilda flips a penny straight upward at 1.5 m/s. It falls down to the floor. It hits the floor 0.75 seconds after she flips it up. How high was Aunt Matilda's hand above the ground when she flipped the coin up?
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Aunt Matilda flips a penny straight upward at 1.5 m/s. It falls
down to the floor....
Problem A) A penny is thrown vertically upward with a speed of 13 m/s. Exactly 2...
Problem A) A penny is thrown vertically upward with a speed of 13 m/s. Exactly 2 seconds later a nickel is thrown upward along the same path as the penny at a speed of 15 m/s. Ignoring air resistance, (a) at what time do the penny and nickel collide? (b) At what height does the collision occur? (c) Is the penny on its way up or down when the collision occurs?
A ball falls from height of 19.5 m, hits the floor, and rebounds vertically upward to height of 15.0 m
A ball falls from height of 19.5 m, hits the floor, and rebounds vertically upward to height of 15.0 m. Assume that mall 0.390 kg. (a) What is the impulse (in kg. m/s) delivered to the ball by the floor? (b) If the ball is in contact with the floor for 0.0400 seconds, what is the average force (in N) the floor exerts on the ball?
A 0.3 kg ball falls down and hits the floor with a speed of 15 m/s....
A 0.3 kg ball falls down and hits the floor with a speed of 15 m/s. Then it bounces up with a speed of 9 m/s. The impulse that acts on the ball is equal to: Select one: a. 7.20 N.s downwards stion b. 7.20 N.s upwards C 1.80 Ns upwards d. 1.80 N.s downwards
A ball is dropped straight down towards the floor from a height of 1.5 m. It...
A ball is dropped straight down towards the floor from a height of 1.5 m. It bounced back up to a height of 1.2 m. How fast would you have to throw it at the floor for it to return to a height of 1.5 m? Hint: figure out how much energy it loses during the bounce.
After solving a difficult physics problem, an excited student throws his book straight up
After solving a difficult physics problem, an excited student throws his book straight up. It leaves his hand at 3.9 m/s from 1.5 m above the ground. (a) How much time Moes it take until the book hits the floor? (b) What's its velocity then?
A package is dropped from a helicopter moving upward at 1.5 m/s. If it takes 16.0...
A package is dropped from a helicopter moving upward at 1.5 m/s. If it takes 16.0 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible? Give your answer in meters.
An object is thrown upward from 1 m above the ground. It travels vertically up, reaches a maximum height of 2.5 m above ground
An object is thrown upward from 1 m above the ground. It travels vertically up, reaches a maximum height of 2.5 m above ground, falls back down, and is caught at exactly the same position it was thrown 1 s after it was thrown. What was the average velocity of the object? Click the answer you think is right 1.5 m/s 0 m/s 3 m/s
A coin is tossed upward from an initial height of 7 m above the ground, with...
A coin is tossed upward from an initial height of 7 m above the ground, with an initial speed of 7.4 m/s m/s. The magnitude of the gravitational acceleration g = 9.8 m/s2 Take the point of release to be y0 = 0. Choose UPWARD as positive y direction. Pay attention to the signs of position, velocity and acceleration. Keep 2 decimal places in all answers. (a) Find the coin’s maximum height in meters above the ground? m Correct (100.0%)...
A model rocket is launched straight up. After 3 seconds it runs out of fuel. It...
A model rocket is launched straight up. After 3 seconds it
runs out of fuel. It continues upward but eventually falls straight
back down. It’s height is recorded every 0.5 seconds.
what is the velocity of the rocket at the instant when it hits
the ground on the way down?
The ANSWER IS NOT -165 ft/sec
10 I.s 23.5 51.4 90.0 400 ฉ 99.5 261.0 314.5 360.0 397.5 2000 448.5 462.0 467.5 150.0 1000 500 8.0 454.5 436.0 409.5 375.0...
Hot air balloon is rising straight upward at a constant speed of 6.5 m/s. When the...
Hot air balloon is rising straight upward at a constant speed of 6.5 m/s. When the basket of the balloon is 20.0m above the ground, a bag of sand falls and reaches a maximum height of 22m. A) Find the speed of the bag before it lands when it is released at 33.0 m. B) Suppose it is descending with a constant speed of 4.2 m/s when the bag of sand comes looose at a height of 35m. What is...
A 0.3 kg ball falls down and hits the floor with a speed of 15 m/s. Then it bounces up with a speed of 9 m/s. The impulse that acts on the ball is equal to: Select one: a. 7.20 N.s downwards stion b. 7.20 N.s upwards C 1.80 Ns upwards d. 1.80 N.s downwards
A model rocket is launched straight up. After 3 seconds it
runs out of fuel. It continues upward but eventually falls straight
back down. It’s height is recorded every 0.5 seconds.
what is the velocity of the rocket at the instant when it hits
the ground on the way down?
The ANSWER IS NOT -165 ft/sec
10 I.s 23.5 51.4 90.0 400 ฉ 99.5 261.0 314.5 360.0 397.5 2000 448.5 462.0 467.5 150.0 1000 500 8.0 454.5 436.0 409.5 375.0...
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