Two marbles of masses mand 2mare dropped from a height h. Compare their kinetic energies when they reach the ground.
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Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12kJ O0.12 kJ O 120 kJ O 12 k
A: Part (1): Given: The mass of the object is 30 kg. The speed of the object is 20 m/s.
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A: Given mass of golf ball = m = 51.0 g initial speed of ball = u = 47.0 m/s maximum height attained by…
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Q: A 69.0 kg diver is 3.30 m above the water, falling at speed of 4.60 m/s. Calculate her kinetic…
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Q: Calculate the kinetic energy in Joule, of a car of mass 1300kg travelling at 50km/h.
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Q: A toad with mass of 180 g leaps into the air to catch a fly. If the toad's jump was at an angle of…
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Q: A roller coaster starts with a speed of 5.0 m/s at a point 45 m above the bottom of a dip. Neglect…
A: To solve the given question, we will use the concept of the conservation of energy.
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A: Given: Weight of the rock (mg) = 500N Height (h) = 10m To find: Kinetic energy…
Q: Pick out the only vector quantity in the following list: Temperature, pressure, impulse, time,…
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Q: 46.3-g golf ball is driven from the tee with an initial speed of 44.8 m/s and rises to a height of…
A: Given Initial velocity u = 44.8 m/s Mass m = 46.3 g = 46.3 ×10-3 kg Maximum height H = 20.5 m
Q: What is the kinetic energy of a 30 kg object travelling at 20 m/s? O 12 kJ O.12 kJ O 120 kJ O 12 kJ
A: Given data: Mass (m) = 30 kg Velocity (v) = 20 m/s Required: Kinetic energy (KE)
Q: A 9.40 kg projectile is fired vertically upward. Air drag decreases the mechanical energy of the…
A: energy lost due to air drag = 68 kJ = 68000 J
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