What is the speed of a 55 kg woman running with a kinetic energy of 1600 J? a. 7.77 m/s c. 7.63 m/s b. 7.73 m/s d. 7.87 m/s

Q: Ana's father climbs the stairs in their house and increases his potential energy by 2.000J when he…

A: 5. The potential energy change (P) when a mass (m) is displaced vertically by a height (h) can be…

Q: Q2/ An object of mass 15 kg is moving with a uniform velocity of 4 ms. What is the kinetic energy…

A: Given data:  Mass (m) = 15 kg Velocity (v) = 4 m/s Required: Kinetic Energy (KE)

Q: 4. 6.0 kg trolley moving at 6.0 m's (right] overtakes and collides with a 2.0 kg trolley moving at…

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Q: 6. A standard baseball has around 146 g. If a ball comes off a bat with 30 W of kinetic energy, how…

A: Note: The unit of kinetic energy mentioned in the question is incorrect, considering the unit of…

Q: 1. A 3000 g toy car moves along a frictionless surface with a uniform speed of 10 m/s. What is its…

A: Given data:  Mass (m) = 3000 g = 3 kg Speed (v) = 10 m/s Required: Kinetic Energy (KE)

Q: A cheetah has 5 joules of kinetic energy and runs up a 5 m hill. When it gets to the top of the…

A: Given- The kinetic energy of Cheetah (K.E) = 5 J Height cheetah can cover (h) = 5 m,

Q: 11. A bicycle has a kinetic energy of 131 J. What kinetic energy would the bicycle have if it had ……

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

Q: 10. A person jumped into the ocean from a car which was 320 m above the water's surface. He had a…

A: Given: mass of person, m = 94 kg  Initial height of person, h1 = 320 m final height, h2 = 75 m

Q: At the low point in its swing, a pendulum bob with a mass of 0.7 kg has a velocity of 11 m/s. (a)…

A:

Q: eric, a professional rooftop futbol player, kicked a 0.450 [kg] ball off a rooftop that is 81.0 [m]…

A: (A) Let us represent Jeric by J1 and Joshua by J2. Let the point of kicking of ball by J1 be the…

Q: An 8.0-g bullet has a speed of 370 m/s. a. What is its kinetic energy? KE = J b. What is its kinetic…

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Q: A ball is rolling across the basketball court with a velocity of .30 m/s2. The ball weighs 1.2 kg,…

A: mass of ball (m) = 1.2 kg velocity of ball (u) = 0.30 ms

Q: Jane is initially walking at a certain speed so that her kinetic energy is 150 J. Then, the rain…

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Q: A mother (mass 60.0 kg) skates across an ice rink with negligible friction toward her child (mass…

A: Mass of the mother is M = 60 kg Mass of the sun is m = 20 kg Speed of the mother is u = 4 m/s

Q: A 157.0 g baseball has a velocity of 31.8 m/s. What is its kinetic energy in J? KE J

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Q: A 5.39 kg object is initially traveling at 32.8 m/s. During the next 240 seconds – 683 J of total…

A: Given:Mass of the object = 5.39 kgInitial velocity = 32.8 m/sWork done = - 683 J

Q: A 420 g soccer ball is kicked into the air with an initial velocity of 30 m/s. How much kinetic…

A: Given that,  Mass = m = 420 g = . 42 kg  Velocity = V = 30 m/s

Q: a 2kg bullet gets fired into a 1kg wooden board the bullet got embedded in the block and they moved…

A:

Q: Dennis is riding a bike at a speed of 10 m/s when he sees someone not paying attention walk out in…

A: mass , m = 92 kg Initial speed , V1 = 10 m/s Final speed , V2 = 2 m/s To find = Work done

Q: A charging bull elephant with a mass of 5400 kg comes directly toward you with a speed of 4.00 m/s.…

A: If the net external force acting on a system is zero then the total momentum of the system remains…

Q: The ball leaves your hand with a speed of 3.8 m/s. What is the kinetic energy of the ball at the…

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Q: A woman is rollerblading through a park. If she starts from rest, and then reaches a kinetic energy…

A: Since the woman is starting from rest, her initial kinetic energy will be zero. Final kinetic energy…

Q: 4. 6.0 kg trolley moving at 6.0 m's [right] overtakes and collides with a 2.0 kg trolley moving at…

A: Given  Mass of trolley 1, M1 = 6.0 kg  Mass of trolley w, M2 = 2.0 kg  Velocity of 1, V1 = 6.0  i^…

Q: A 0.200-kg particle has a speed of 1.50 m/s at point and kinetic energy of 7.10 J at point Ⓡ. (a)…

A: Given  Mass , m = 0.200 kg  Speed at point A , VA = 1.50 m/s  Kinetic energy at point B , KB = 7.10…

Q: A 0.200-kg particle has a speed of 2.30 m/s at point O and kinetic energy of 7.10 J at point B. (a)…

A: Mass of the particle m=0.200 kg The speed of the particle at point A ,vA=2.30 m/s  The kinetic…

Q: A set of stadium stairs consist of 90, 20 cm high steps. A 70 kg runner is training by traversing up…

A: As per bartleby guideline for more than one subparts asked only first three are to be answered…

Q: An 8.0 g bullet has a speed of 800 m/s. What is its kinetic energy in joules? What is its kinetic…

A: Given: mass of bullet (m) = 8.0 g = 0.008 kg. speed of bullet (v) = 800 m/s.

Q: A construction worker’s hard hat is rated at 100 J, meaning that it can protect the wearer from an…

A: Rating of construction worker's hard hat = 100 J a) Mass of tile (m) = 2 kg

Q: A 9.55 kg object is initially traveling at 24.8 m/s. During the next 185 seconds – 263 J of total…

A: According to the work energy theorem,

Q: ana's father climbs the stairs in their house and increases his potential energy by 2000 j when he…

A:

Q: A roller coaster of mass 2400 kg is rolling down a track with an instantaneous speed 12 m/s. What is…

A: Introduction :  In this question we are provided it value of mass and speed . With these data we…

Q: A 144-g baseball moving 28.0 m/s strikes a stationary 5.25-kg brick eating on small rollers so it…

A: Given:Mass of the ball = 144 g = 0.144 kgInitial velocity of the ball = 28 m/sMass of the brick =…

Q: An object that measured a mass of 0.89 kg started moving at a speed of 3.89 m/s. After some time,…

A:

Q: You throw a ball into the air. You let the ball go at a height of 1.5 m, and the ball is moving at a…

A: Initial Height , h = 1.5 m Initial velocity , u = 8 m/s Mass , m =0.5 kg To find = a) Initial Total…

Q: A 4.0-kg battery operated toy car has a speed of 7.5 m/s at point C and kinetic energy of 205 J at…

A: Given data: Mass (m) = 4.0 kg At point C, Speed (v) = 7.5 m/s At point D, Kinetic energy = 205 J…

Q: 2. The S.I. unit for the work done on an object is A kg m's B kg m? s" C kg m s? D Kg m's2

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Q: Alissa dropped a ball from a height of 2000 mm. Find out (a) how long it will take to hit the ground…

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Q: An object of mass 15 kg is moving with a uniform velocity of 4 m s-¹. What is the kinetic energy…

A:

Q: A table tennis ball has a mass of about 2.45 g. Suppose the ball is hit across the table with a…

A:

Q: Suppose an elephant has a mad of 3150 kg. a. How fast, in meters per second, does the elephant need…

A:

Q: 2. A cart pulled by the farmer has a kinetic energy of 100 J. What will be the kinetic energy if the…

A: givenKinetic energy of cart (K.E)=100 J

Q: A classic car accelerates from 0 to speed v in 10 s. A recent and powerful sports car of the same…

A: Given data: Initial velocity (v0) = 0 m/s Time (t) = 10 s Mass of both cars are same  Final speed of…

Instantaneous Power

Power is defined in physics as the amount of energy transmitted or transformed per unit time. The watt is the unit of electricity in the International System of Units, equivalent to one joule per second.