At which point or points is the total energy at its maximum value? At which point or points is the kinetic energy positive?

Q: Consider a situation where a constant force of 25 N acts on an object having a mass of 2 kg for 3…

A: Given Data: Constant Force F=25 N Mass of object M=2 kg Duration of force t=3 sec

Q: A proyectile of 0.50 kg is fired with an initial speed of 10 m/s at angle of 60 degrees above the…

A: The formula for the maximum height (H) of a projectile starting from the ground is given as,…

Q: Can you expend energy without doing any work? Given an example.

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Q: Calculate the gravitational potential energy of a 13.5 kg box on a shelf 7.0 m above the floor.…

A: Given data :              Mass  =  m              Height  =  h             Gravity  =  g        To…

Q: A block is dragged over a horizontal surface by an 80 N force acting 25° above the horizontal. The…

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Q: The total energy required to move a 10-N block up a 25-degree incline for 10 meters is 500 Joule. A…

A: We need to calculate the applied force, rate of work done by the force and the initial velocity of…

Q: Is it possible to increase the kinetic energy without the application of external force?

A: yes the kinetic energy will increase without applying any external force. for example, when we kept…

Q: The work done against gravity in taking 5000 grams mass at 39.37 inches height in 1 sec will be

A: Work done is required to pull up a mass of m kg in height 'h' is= mgh Here, g=gravitational constant…

Q: A 0.13-kg ball is thrown upward with an initial speed of 12 m/s, Calculate the gravitational…

A: Given, Mass of ball (m) = 0.13 kg Thrown Upward with initial velocity (v)= 12m/s We want to find…

Q: According to the work-energy principle, the NET work on a system causes: an increase in the kinetic…

A: Work Energy theorem state that Total work done by conservative, non conservative and pseudo forces…

Q: In the figure, a 2.12 g ice flake is released from the edge of a hemispherical bowl whose radius r…

A: mass of ice flake = 2.12 gradius (r) = 16.2 cm = 0.162 m surface type = frictionless

Q: Location Height(m) Start A B C D E F 40.0 25.0 28.0 12.0 6.0 14.0 0 PE(J) KE(J) III Energy 0…

A: Given:-  The mass of the roller coaster is m = 400 kg  The height of the roller coaster is h = 40 m…

Q: A kid on a bike coasts (No Pedaling) from the bottom to the top of a 25 m hill. What is the energy…

A: Given: The kid goes from bottom to top. The height of the hill is 25 m.

Q: In the figure, a 2.51 g ice flake is released from the edge of a hemispherical bowl whose radius r…

A: Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: If this piece of abductin is 3.8 mm thick and has a cross-sectional area of 0.60 cm², how much…

A: Given A scallop forces open its shell with an elastic material called abductin, whose Young's…

Q: Five equal books weighing 0.85 kg and 2.50 cm thick each lie on a table. Calculate the potential…

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Q: How can the total energy remain the same,but the energy available to do work decrease?

A: The system's total energy is conserved means that that the energy can not be created or destroyed.…

Q: Describe the energy transformations that occur when a roller coaster car is pushed by a compressed…

A: We are given a roller coaster car which is released from a compressed spring. The whole track is…

Q: Calculate the gravitational potential energy of a 12• 3 kg box on a shelf 7.0 m above the floor.…

A: Given that                   The mass of the box is (m) = 12.3 Kg                   Height of the…

Q: A 5 kg object plunged from a height of 19 feet and hits a spring that has a height of 0.6 meters. A)…

A: Given Data : The height of the object is given as H = 19ft. The height of the spring is given as h =…

Q: Why wouldn't potential energy change when a balloon is dropped to the ground?

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Q: The kinetic and potential energy of an object as it moves along the x axis is represented by the…

A: Given:  Energy vs distance graph is given:  From x = 0 m to x = 100 m, Work done on the object = 3…

Q: A firefighter slides down a pole with constant speed. What can you say about the energy?

A: Firefighter is slifing down tbe pole with constant speed.We know that potential energy is given by…

Q: A block of mass 10 kg is moved 10 m to the right over flat ground. If the coefficient of kinetic…

A: The kinetic frictional frictional force acting on the block of mass m moving on a flat surface is…

Q: A 1.5 Kg ball at initial altitude of 0.0 m is trough upward with an initial speed of 10.0 m/s What…

A: Given data:  Mass (m) = 1.5 kg Initial altitude (h) = 0.0 m Initial Speed (v) = 10.0 m/s Required:…

Q: A Vehicle of mass M 1910 kg traveling at V = 64 km/hr descends a hill of 1 in 3 (Sine). The Vehicle…

A: Given: mass M= 1910 kg; V = 64 km/hr = 17.77 m/s;; D = 46 m;

Q: A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

A: mass (m) = 80 kg Speed at position A (v) = 20 m/s vertical height of position A (h) = 200 m

Q: A tennis Ball bounces on the floor three times, and 23% of its kinectic energy is lost and…

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Q: Is it possible that the work done by a force is negative? Give an example.

A: Yes it is possible for work done by a force to be negative.If the displacement happened in the…

Q: A 58-kg pole vaulter running at 10 m/s vaults over the bar. Her speed when she is above the bar is…

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Q: A sled and rider with a combined weight of 50 kg are at rest on the top of a hill 23 m high. (a)…

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Q: In the figure, a 3.97 g ice flake is released from the edge of a hemispherical bowl whose radius ris…

A: Mass of the ice ( m ) = 3.97 g = 3.97 × 10-3 kg  Radius of the bowl ( r ) = 13.7 cm = 0.137 m  The…

Q: 4) A roller coaster of mass 80.0 kg is moving with a speed of 20.0 m/s at position A as shown in the…

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Q: A child of mass m = 16 kg slides down a slide of height h = 2.7 m without friction. Let…

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