A ball is propelled vertically. How much kinetic energy may be found in this area? Where is the gravitational potential energy of the Earth-ball system?
Q: The Kingda Ka is the tallest rollercoaster, standing at an astounding 456 meters! Wow! Suppose you…
A: ,Given , height of the hill h= 456m Mass. Of the roller coaster =4500 kg To find, Velocity of roller…
Q: Question: A person lifts a 1.75kg mass in the vertical direction through a distance of 1.35 meters.…
A: Given value--- mass = 1.75 kg. vertical distance= 1.35 m. We have to find--- Calculate the amount…
Q: A spacecraft with a mass of 5000kg is in circular orbit 2000km above the surface of mars. How much…
A: This is a problem from Central forces. The total energy a satellite has in a circular orbit is…
Q: What is the gravitational potential energy of a ball with a weight of 57 N when it is sitting on a…
A: Given: Weight of the ball = 57 N Height of the shelf = 1.6 m
Q: You throw a ball straight up. During the process when the ball is going up but not reaching its…
A: Given data: Ball thrown straight up Ball going up yet not reached highest point Required: How the…
Q: Imagine you threw a ball straight up, waited for it to come down and then caught it. draw a correct…
A:
Q: If the crate described in question #7 was accelerating down the ramp instead of moving at a constant…
A: The correct choice.
Q: How much gravitational potential energy (in Joules) does a 9kg object have placed 15m above the…
A: Gibem data The mass is M=9 kg The height is h=15 m The reference height is, ho=0 m The accleration…
Q: What is the definition of work? What is the definition of energy? A box of mass 30kg is released…
A:
Q: A 4.0 kg bowling ball is rolling on the lane floor at 10.0 m/s. What is the gravitational potential…
A:
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: A space station has a mass of 420,000 kg and is 400,000 m above the Earth's surface. Solve for the…
A: The objective of this question is to calculate the gravitational potential energy of a space station…
Q: A 2 kg toy car sits at the highest point of a 13 m high hill. The car is gently pushed forward until…
A: Given data: Mass (m) = 2 kg Initial height (h) = 13 m Acceleration due to gravity (g) = 10 m/s2…
Q: A 45- kg object is lifted 2.7 m from the floor to a table . What is the object's gravitational…
A: Given data The mass of the object is m = 45 kg. The height of the table from the floor is given as…
Q: How much work in the vertical direction is required for a 68 kg cyclist to ride a 10 kg bike 1500…
A: distance travelled along the slope= D=1500 m height attained in this climb= H tan100=HD H=264.5 m
Q: A mass of 8.9 kg is suspended 8 m above the earth. a) What is the potential energy (in J) of the…
A: Potential energy of an object is the energy it stored due to its height. Kinetic energy is the…
Q: A 5.34 kg ball is thrown upward with an initial speed of 13.77 m/s. Ignore air resistance when…
A: Kinetic energy of a body of mass m moving with speed v is given as 12mv2 Gravitational potential…
Q: With brakes fully applied, a 1310 kg car deccelerates from a speed of 79.0 km/hr. What is the work…
A:
Q: What is the gravitational potential energy of a 4.0 kg block that is raised 2.50 m from the ground?…
A:
Q: A ball is thrown at a 30 degree angle with an initial velocity of 20 m/s. The ball travels in a…
A: Given data *The given angle is θ=300 *The given initial velocity is v = 20 m/s
Q: kinetic energy did the ball gain
A:
Q: The 50 kg block slides down the 2m high ramp. At some point, the block is .5 meters above the…
A: given: height of ramp h = 2m mass of block m = 50 kg height at point p h' = 0.5 m
Q: An 80,000 kg airliner is flying at 990 km/hr at a height of 10 km. What is the total energy…
A:
Q: A 0.25 kg ball is suspended from a light 1.5 m string as shown. The string makes an angle of 31°…
A: (a)The height of the ball before it is released is given by,
Q: ball is released from a height of 12 m and weighs 35 N. What is the magnitude |AU| of the total…
A:
Q: The car's mass is M = 0.6 kg and the radius of the hill is R= 0.4 m. The car's kinetic energy at the…
A: We know that: The mass is M=0.6 kg The radius is R=0.4 m KE=1.3MgR Calculating the speed of the…
Q: An object that has a gravitational potential energy of 734 J is lifted 5 meters. What is the…
A: We have givenGravitational potential energy (PE)=734 jHeight (h)=5 m
Step by step
Solved in 2 steps
- A 10-g bullet is travelling 60 m/s when it is shot straight upward. It reaches a maximum height of 150 m. What is the change in kinetic energy of the bullet? Using you answer to (a) and the work-kinetic energy theorem, what is the average force on the bullet during its ascent? Is the force of air resistance present in this problem? Show how you know.A pendulum with a light string and a mass attached to it. As the pendulum swings downward. What is the work done by the strings tension on the mass (+, - or 0) and why?A couple of soccer balls of equal mass are kicked off the ground at the same speed but at different angles. Soccer ball A is kicked off at an angle slightly above the horizontal, whereas ball B is kicked slightly below the vertical. How do each of the following compare for ball A and ball B? (a) The initial kinetic energy and (b) the change in gravitational potential energy from the ground to the highest point? If the energy in part (a) differs from part (b), explain why there is a difference between the two energies.
- C7 19.) You reach out the second story window, which is 5 m above the sidewalk, and throw a 0.5 kg ball straight upward with 2 J of kinetic energy. (a) What is the ball's gravitational potential energy when it is released?__________________________ J(b) What is the ball's gravitational potential energy just before hitting the sidewalk?___________________________ J(c) What is the ball's kinetic energy just before hitting the sidewalk?___________________________ J (d) How would the answer to part c change if the ball had initially been thrown straight down with 2 J of kinetic energy? A.) stay the same B.) decrease C.) increaseA 0.25 kg ball is suspended from a light 1.2 m string as shown. The string makes an angle of 35° with the vertical. Let U = 0 when the ball is at its lowest point (θ = 0). Part A: Draw diagram and label coordinates. Part B: What is the gravitational potential energy, in joules, of the ball before it is released? Part C: What will be the speed of the ball, in meters per second, when it reaches the bottom? Part D: Does replacing the ball by a steel sphere of mass 0.75kg at the end increase the maximum speed?How high can we jump? The maximum height a typical human can jump from a crouched start is about 60 cm. By how much does the gravitational potential energy increase for a 66-kg person in such a jump? Where does this energy come from? Draw free-body diagram.
- A particular spring on the Earth is found to have a spring constant of k = 1400 N/m. If the same spring is taken to Marsa. The spring constant will be less than on Earthb. The spring constant will be the same as on Earthc. The spring constant will be more than on Earthd. Springs do not work on Marse. We cannot answer this question because we cannot get a spring to MarsOn Earth with a gravational acceleration g, the potential energy stored in an object varies directly with its mass m and its vertical height h. What is the equations of the potential energy of a 2kg skateboard that is sliding down a ramp?A fielder tosses a 0.15 kg baseball at 36 m/s at a 27 degree angle to the horizontal. What is the ball's kinetic energy at the start of its motion? What is the kinetic energy at the highest point of its arc?
- A 2.3 kg mass starts from rest at point A and moves along the x-axis subject to the potential energy shown in the figure below. PE 30 J 25 J 20 J 15 J D 10 J 5 J 2 m 4 m 6 m 8 m 10 m (a) Determine the speed (in m/s) of the mass at points B, C, D. (For each answer, enter a number.) point 4.7 m/s В X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total point energy at any other point. m/s X Is energy conserved? If so, how do you know it is conserved? How does the total energy at A compare to the total point energy at any other point. m/sPoint Height (y) (m) Speed (v) (m/s) Potential Energy (J) Kinetic Energy (J) Mechanical Energy (round off to the nearest thousands) A 8 m 0 m/s 3430 J 0 J 3000 J B 3 m 8.8 m/s 1470 J 1936 J 3000 J C 2 m 9.9 m/s 980 J 2450 J 3000 J - Calculate the ratio of the mechanical energy at B and mechanical energy at A (EB/EA) and (EC/EB). What do these ratios tell you about the conservation of energy? - Is the mechanical energy conserved between A and B? Explain. - Is the mechanical energy conserved between B and C? Explain