A 50 kg mass swings as shown. What is the speed of this mass at point B?
Q: a teacher expands 4200 J of energy accelerating a 30 kj mass to 1.5 m/s^2 at a 15 degree angle. How…
A:
Q: Antwan raised a 12 N physics book from a table 85 cm above the floor to a shelf 2.75 m above the…
A:
Q: Along a straight horizontal track, a roller-coaster car is moving at 25 m/s. As shown in the figure…
A:
Q: A ball with a mass of 39 m is released at a height of h above the ground. If we ignore the air…
A:
Q: is the potential-energy diagram for a 500 g particle that is released from rest at A. 1. What is…
A:
Q: How much work is done by the force of gravity in moving a 10 kg block from an initial height of 2 m…
A: Given: Mass of block, m = 10 kg initial height, h1 = 2 m final height, h2 = 10 m Value Used:…
Q: In the kinetic energy formula, the 1/2 is ignored and you simply multiply the mass by velocity…
A:
Q: You drop a ball from a height of 1.9 m , and it bounces back to a height of 1.4 m . What fraction of…
A: height = 1.9 mheight = 1.4 mWhat fraction of its initial energy is lost during the bounce?What is…
Q: A ball of mass m is moving with velocity v, having a kinetic energy KE,. If the velocity of this…
A: The initial kinetic energy of the ball can be determined as, KE1=12mv12 ......…
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: Q31. If a ball falls from a height h then the sum of its kinetic and potential energy after it falls…
A: Let the mass = m Let the height from which mass is dropped = h
Q: How fast must a 20.0 kg skater travel to have kinetic energy of 380 Joules? How high must a 4.0 kg…
A:
Q: Two parts to the qeuestion: An internal explosion breaks an object, initially at rest, into two…
A: Both the object A and B release from the same objects so the momentum of both objects should be…
Q: A tennis ball weighs approximately 2 ounces on a postage scale. A student practices his serve…
A: Introduction: Given problem is based on the basic kinematics. When body move with velocity it has…
Q: kinetic energy in joules
A:
Q: A block of mass 3.5kg is at the top of a 30m hill moving at 5m/s. It slides down to the ground, then…
A:
Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…
A:
Q: mgh A ball with mass of "m" released from a hight of "h" to free fall. By using energy conservation…
A: The mass of the ball is m. The distance between the ground and the ball is h. Standard value: The…
Q: Fifteen identical particles have various speeds: one has a speed of 2.00 m/s, two have speeds of…
A:
Q: Shown below are two frictionless tracks with masses A and B getting ready to traverse the two…
A: Ans: For the frictionless surface the only force acting on the masses A nad B is gravitational…
Q: A 5.8 kg cannonball is moving flying through the air at with a speed of 14.5 m/s.. The cannonball…
A:
Q: Refer to the figure below. What is the velocity of the roller coaster at point C? Refer to the…
A:
Q: Part A What is the particle's speed at B? Express your answer with the appropriate units. VB =…
A:
Q: The 23 kg girl in the swing at (A) is at a height of 0.80 m above position (B). What is the speed of…
A:
Q: K02
A: Given that:-Mass of the ball, m=12 kgHeight, h=27 mto calculate, PE after 1 secWe know…
Q: the ramp is 1 meter long and tilted at 5o. The ball has a mass of 30 grams. What is the speed of the…
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: Previous Question What is the kinetic energy of a football of mass 3 kg that is crossing the goal…
A: Given data: Initial mass m = 3 kg Initial velocity v = 4 m/s Initial kinetic energy K.E = 24 J
Q: Determine the kinetic energy of a 1200 kg automobile travelling at 20 km/hr. How many times as great…
A:
Q: A 1-kg mass that weighs 10 N has 40 J of potential energy relative to the ground. What is its…
A: Given information:Mass of the block (m) = 1 kgWeight of the block (w) = 10 NPotential energy of the…
Q: A 12.0 kg mass is dropped from a hot air balloon at a height of 345 m above the ground. Find it's…
A: Given : Mass dropped from the hot air balloon, m = 12.0 kg Height at which the mass is…
Q: A 5-kg mass mass is projected straight up with a speed of 15 m/s. a. To what height does the mass…
A:
Q: Suppose you have a roller coaster cart that is 100 meters above the earth's surface. If the mass of…
A:
Q: Problem#1:A 11-g bullet has a speed of 26 km/s. a) What is its kinetic energy in joules?
A:
Q: A student builds a roller coaster as shown. The heights of the points are A= 3.3 m B= 1.4 m C= 0 m.…
A:
Q: Calculate the kinetic energy in Joule, of a car of mass 1300kg travelling at 50km/h.
A: Given Mass m = 1300 kg Velocity v = 50 km/h = 13.8889 m/s
Q: A 734 kg formula 1 race car hits its top speed of 325 km/h. What is the kinetic energy of the car at…
A:
Q: Umgh K-0 Question 3: A ball with mass of "m" released from a hight of "h" to free fall. By using…
A: Mass of the ball is m Height of the free fall is h velocity of the ball just before touching the…
Q: Shown below are two frictionless tracks with masses A and B getting ready to traverse the two…
A:
Q: Jane and Jake are looking at what happens to body 1 of mass m and body 2 of mass 2m, initially at…
A: The mass of the body 1 is m and the mass of the body 2 is 2m. Assume that equal force is applied on…
Q: Write the value of the kinetic energy of a higher case. A 12 kg-dog running at 8m/s A 24…
A: Kinetic energy of an object of mass(m) is K.E= (1/2) mv2 Joule Where, V= Velocity
Step by step
Solved in 2 steps
