A 1kg cannon ball is fired horizontally with an initial velocity of 5m/s. If the cannon was atop a wall 20m above the ground, what is the total change in KE?

Q: If a projectile with a mass of 8.90 g is traveling at a speed of 1.11 km/s, determine the following.…

A: Given Data: The mass of a projectile is, m=8.90 g The speed of a projectile is, v=1.11 km/s   The…

Q: What is the kinetic energy of a 1600 pound car travelling at 45 meters per second?

A: Given, Mass of car m = 1600 pound = 16002.205 Kg = 725.75 Kg Speed v = 45 m/s   We know the…

Q: What is the Kinetic Energy of a 1200 kg object that is moving with a speed of 24 m/s?

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Q: What is the kinetic energy of a 3.2 kg fish swimming at 2.7 km / hour?

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Q: A body of 4.5 Kg is dropped from rest at a height of 10.5 m. What is the speed immediately before it…

A: Write the given values of the problem- Mass of the body(m) m=4.5 kg height(h) h=10.5 m

Q: How much energy is needed to change the speed of a 1200 kg of a car from 15.0 m/s to 30.0 m/s?

A: Work energy theorem We know from the conservation of energy law that energy can neither be created…

Q: How much energy is dissipated in braking a 1500-kg car to a stop from an initial speed of 15 m/s?

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Q: What is the kinetic energy of a 12 kg object with a velocity of 10 m/s? *

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Q: How much joules of energy is needed to change the speed of a 1,900 kg sport utility vehicle from…

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Q: What is the speed of a 137 kg woman running with a kinetic energy of 973.5 J?

A: kinetic energy =12mv2

Q: An engine develops 10 kW of power. How much time will it take to lift a mass of 250 kg to a height…

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Q: What is the kinetic energy of an 8kg object moving at 7 m/s?

A: Given data:  Mass (m) = 8 kg Velocity (v) = 7 m/s Required: The kinetic energy (KE)

Q: If you have an object with a mass of 45.54 grams, and it is moving at a speed of 3.5 m/s, what is…

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Q: What is the mechanical energy of a moving object that has a mass of 5 kg, a velocity of 3 m/s and is…

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Q: What is the kinetic energy of a 40 kg girl running with a speed of 5.25 m/s

A: Given, the mass of girl (m) =40 kgrunning with speed (v) =5.25 m/swe have to calculate the kinetic…

Q: A 28-kilogram child slides down a playground slide from a height of 3.0 m above the bottom of the…

A: Given data: Mass (m) = 28 kg Height (h) = 3.0 m Initial speed (v0) = 0 m/s Final speed at bottom (v)…

Q: The Potential energy in KJ when 2500 Kg mass rest at a level of 50 m above the ground.

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Q: A ball with 100 J of PE is released from a height of 10 m. What will be the KE of the ball at 5 m?

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Q: What is the kinetic energy of an object with a mass of 10kg and a velocity of 1.6 m/s?

A: As we know that the formula for kinetic energy(E) of an object with a mass of m and a velocity of v…

Q: What is the kinetic energy of a 2.4 kg brick travelling at a speed of 12 m/s in Joules?

A: Given: mass of brick, m = 2.4 kg  speed of brick, v = 12 m/s

Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic power, in kW…

A: Given data: The mass of sprinter is m=75 kg. The initial speed is u= 0 m/s. The final speed of…

Q: For exercise, an athlete lifts a barbell that weighs 400 N from the ground to a height of 2.20 m at…

A: Given data:  Weight (mg) = 400 N Height (h) = 2.20 Time (t) = 1.60 s Required: The metabolic energy…

Q: What is the speed of a 0.145 kg baseball if its kinetic energy is 110J?

A: Given data: The mass of the baseball is m=0.145 kg. The kinetic energy of the baseball is KE=110 J.…

Q: what is the kinetic energy of a 25kg object moving at a velocity of 5m/s?

A: Here, we need to find the value of kinetic energy of a moving body.  The formula used for the…

Q: What velocity does a 1 kg object have when its kinetic energy is 1 J?

A: Given : Mass (m) = 1 kg Kinetic energy (K) = 1 J

Q: What is the KE of a 1500 kg car going at suburban speed of 14 m/s (about 50 km/h or 30 mph)? Use 4…

A: Given data  Mass (M) = 1500 kg  Speed(V). = 14 m/s  Kinetic energy = ?

Q: What is the kinetic energy of a 1900 pound car travelling at 30 meters per second?

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Q: A 75 kg sprinter accelerates from 0 to 8.0 m/s in 5.0 s. What is the metabolic power, in kW…

A: Given data The mass of the sprinter is given as m = 75 kg. The initial velocity of the sprinter is…

Q: If a vehicle has a horsepower of 300, how much energy does it burn in 2 minutes?

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Q: A 3.00-kilogram mass is thrown vertically upward with an initial speed of 9.80 m/s. What is the…

A: at the maximum height, the velocity is zero.

Q: How much weight should a diver put in order to gain a gravitational potential energy of 75 kJ if he…

A: Given: The amount of gravitational potential energy is 75 kJ. The mass of the driver is 60 kg. The…

Q: What is the kinetic energy in joules of a 910-kg automobile traveling at 70 km/h?

A: The expression for the kinetic energy is,

Q: The Kinetic energy of a motorcycle and rider is 60,000J. If their total mass is 300 kg, what is…

A: Given data The kinetic energy of the motorcycle and rider is given as KE = 60000 J. The mass is…

Q: A 70-kg man is walking at a speed of 2.0 m/s. What is his kinetic energy (energy is measured in…

A: Given data: The mass of the man is m=70 kg The speed of the man is v=2.0 m/s

Q: The average hp required to raise a 150000x10^-3 kg box a height of 65.6168 ft over a period one…

A: L

Q: A bicycle with a mass of 14 kg traveling at a velocity of 3 m/s east has how much kinetic energy?

A: Given data:  Mass (m) = 14 kg Velocity (v) = 3 m/s Required: Kinetic energy (KE)

Q: A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s eastward.  The 2-kg ball…

A: Solution: Given that A 2-kg ball traveling eastward at 5 m/s hits a 5-kg ball moving at 1 m/s…

Q: Two carts connected by a spring collide with a wall causing the spring to compress 0.03 meters. If…

A: spring potential energy is defined as, E = (1/2)kx2 k = 100 N/m x = 0.03 m

Q: what is the kinetic energy of a 2000kg car traveling at 25 m/s

A: Kinetic Energy is energy that is due to motion. Its unit is Joule 'J'. Formula: KE=12mv2 Given:…

Q: What is the kinetic energy of a baseball whose mass is 0.15kg if it is thrown with a velocity of…

A: Given data:  Mass (m) = 0.15 kg Velocity (v) = 22 m/s Required: Kinetic energy (KE)

Q: If a winch pulls a broken down truck against a friction force of 500N, and does 3000J of work, how…

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Q: what is the kinetic energy of a 1500 pound car traveling at 40 meters per second

A: Write the given values of the problem- Speed(v)=40 m/s Mass=1500 pound 1 pound=0.453 kg m=1500…

Q: What is the kinetic energy of a 0.43-kg soccer ball kicked  at  36.5 m/s?

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Q: What is the kinetic energy of a 1500 pound car travelling at 40 meters per second?

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Q: A baseball of mass 1.11 kg is thrown at a speed of 45 miles an hour what is its kinetic energy?

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Q: If you drop a ball from a height of 1 meter and the ball rebounds to a height of 15 centimeters,…

A: Potential energy is equal to kinetic energy  According to conservation of energy Potential energy is…

Q: • A farmhand pushes a 26-kg bale of hay 3.9 m across the floor of abarn. If she exerts a horizontal…

A: Expression of work done -  W=F×sWhere,F = Force s = Distance

Q: The kinetic energy of a motorcycle and rider is 45,000 J. If their total mass is 250 kg, what is…

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