a 650kg roller coaster starts from rest at he top of a 76 meter tall hill.  What is the speed of the coaster at the bottom of the hill?

Q: A 1.2-kg mass is projected up a frictionless circular track (radius = 0.80 m) as shown. If the cart…

A:

Q: In the figure, a frictionless roller coaster car of mass m = 826 kg tops the first hill with speed…

A:

Q: An object with mass 3 kg is moving with a speed of 5 m/s at a height of 2.5 m above the ground.…

A: Given data The object's mass is: m = 3 kg The objects's speed is: v = 5 m/s The height of the object…

Q: ktg ball falls from the height of 23 m. What will bethhe potential energy of the ball after 0.8…

A:

Q: A 4 kg ball falls from height of 23 m. What willbe potential energy of the ball after 0.8 second?…

A:

Q: In the figure, a frictionless roller coaster car of mass m = 814 kg tops the first hill with speed…

A: The roller coaster car is initially at the top of the first hill at a height of 42 m and an initial…

Q: What speed must a 7m ladder have if it is to be able to fit between the simultaneously closed doors…

A: proper length of ladder (Lo) = 7 m length of ladder in garage's frame (L) = 5 m

Q: A cannon tilted up at a 25.0 ∘ angle fires a cannon ball at 82.0 m/s from atop a 17.0 m -high…

A: Write the expression for conservation of energy

Q: In the figure, a frictionless roller coaster car of mass m = 819 kg tops the first hill with speed…

A:

Q: A steel ball with mass m is suspended from the ceiling at the bottom end of a light, 15.0-m-long…

A: As we can from the figure that the ball is in a circular motion havingradius of the circle is l.We…

Q: Planet Apes has an acceleration due to gravity of 2.0m/s2. What is the potential energy of a 1.0-kg…

A:

Q: A 75kg- bicyclist starts from rest at the top of a hill and rolls down the hill without pedaling.…

A: Write the value of height of the hill.   h=49 m   Here, the initial speed of the bicyclist is zero…

Q: A 4 kg ball falls from height of 23 m. What willbe potential energy of the ball after 0.8 second?…

A:

Q: A 300-kg wrecking ball swings at the end of a 25-m long cable. If at the bottom of the arc the cable…

A:

Q: What minimum speed does a 180 gg puck need to make it to the top of a 3.10 mm -long, 27.0 ∘∘…

A: Given : m = 180 g = 0.180 kg L = 3.10 m θ = 27°

Q: 14 kg object is dropped from rest on a surface inclined 31º from the horizontal and slides 10.9 m to…

A:

Q: My 3.25 kg cat, Pretty Kitty, likes to sit on the tallest perch in her cat tree, 2 m tall. What is…

A:

Q: A body is falling from a height of 10 m. What is the ratio of its kinetic energy to the potential at…

A:

Q: The speed boosters need to do at least 7,500 J worth of work to the cart The speed boosters need to…

A: In this problem we will use the concept conservation of energy. For the roller coaster  to reach the…

Q: Mr. Sald and his family takes a rollercoaster ride in a Start (a) fantasy park as shown. What will…

A:

Q: 19. A 1200 kg roller coaster is traveling at 13 m/s at the top of the 30 m high hill. What is the…

A: Let v1 and v2 be defined as the velocity at the top and bottom. And let h1 and h2 be defined as the…

Q: baseball has a mass of 0.3 lb. What is the kinetic energy relative to home plate  of a 94 mile per…

A:

Q: 00-kg man is škiing across level ground at a speed of 14 m/s when he comes to the small slope 1.8 m…

A: Given, Mass of the man, m=100kg Initial speed, vi=14m/s Height, h=1.8m Initial kinetic energy when…

Q: A matchbox car track begins at a height y=1.0, goes down hill to y=0, goes around a vertical loop of…

A:

Q: A pendulum bob is released from some height such that the speed of the bob at the bottom of the…

A: Given data: Speed of pendulum bob at bottom of swing is, v=4 m/s.

Q: A 815 kg roller coaster starts at the top of a 47m hill and drops down the coaster. What is the…

A:

Q: A roller coaster starts with a speed of 5.7 m/s at a point 49 m above the bottom of a dip.…

A:

Q: ball of mass 1.62 kg is tied to a string of length 2.59 m as shown in figure p6.50. The ball is…

A:

Q: Two students climb the ladder up the 25m high light towers at the football field.  Alex weighs 80kg,…

A: Note :- : Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the…

Q: Q18: A pebble is released from rest at a certain height and falls freely, reaching an impact speed…

A:

Q: A roller coster has a loop with 7.62 diameter. a) What is the minimum height above the bottom of…

A: a) The minimum height (H) above the bottom of the loop required to achieve enough speed so that the…

Q: A roller coaster with a mass of 725 kg starts with a speed of 22.0 m/s at the bottom of a hill.  At…

A:

Q: A 20 kg child sits on a 4.3kg sled and slides down a 144 meter, 33 degree slope, to the nearest 0.1…

A: The initial height is The initial energy of the child and sled at the top is

Q: A cannon tilted up at a 35.0 ∘ angle fires a cannon ball at 76.0 m/s from atop a 19.0 m -high…

A: Given:Initial velocity of the ball = 76 m/sHeight of the wall = 19.0 m

Q: Your friend throws a stone that has a mass of 4kg straight down from the top of a 175m tall building…

A:

Q: A roller coaster ride starts at a height of 35 m above the ground. The mass of the car is 450 kg.…

A:

Q: A roller coaster starts with a speed of 4.1 m/s at a point 51 m above the bottom of a dip.…

A: Initial height is Initial speed is Final height is Find:Final speed or speed at the final height.

Q: A 2.9-kg block with a speed of 4.2 slides down a 7.4-m high, frictionless incline. What is the speed…

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

Q: A 3200 kg roller coaster car descends from rest at the top of a steep section of track 82 m high.…

A: The objective of this question is to find the speed of the roller coaster car at the bottom of the…

Q: A 50kg child is on a sled at the top of a 10m frictionless hill. What is the child's speed at the…

A: Given data:  A child at top of the frictionless hill  Mass (m) = 50 kg Height (h) = 10 m Initial…