The physical unit of kinetic energy is: - Kg-cm2/s2 - Gm/s2 -Gm-cm/s2. - None of the above
Q: 7- The kinetic energy of a 20.0 N object is 5.00×10² J. What is the speed of this object?
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Q: A ball of mass 7.42 kg moving with speed 9.54 m/s hits a wall and bounces back with speed 5.77 m/s…
A: Given Data:- The mass of the ball is m = 7.42 kg The initial speed of the ball is vi = 9.54 m/s The…
Q: If a quantity you calculated had units of kg m/s, what type of quantity could it be? . none of the…
A: Kg is the unit of mass and m/s is the unit of Velocity.
Q: What is the speed of a 0.148 kg baseball if its kinetic energy is 108 J ?
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Q: How fast must a 3000-kg elephant move to have the same kinetic energy as a 65.0-kg sprinter running…
A: We have to determine the speed of an elephant. We know the given data is given by, Mass of elephnt…
Q: An astronaut in a spacesuit on a spacewalk is a completely sealed system, with no matter lost or…
A: Given: Power = 250 W
Q: You give 90 J of kinetic energy to a 1 kg stone when you throw it. By how much do you increase its…
A: The energy gained by the stone = 90 Joules. Mass of the stone (m) = 1 kg.
Q: A 1.0 lbm piece of foam accelerates at 100 g’s for 0.25 seconds. (Use g = 32 ft/s^2). a) How fast is…
A: Given m1=1 lbm (mass of foam) u1= 0 (initial velocity of foam) a1=100g=100*32=3200 ft/s2…
Q: Determine the kinetic energy of a 1200 kg automobile travelling at 20 km/hr. How many times as great…
A: (given) Mass of an automobile = 1200 kg Velocity of an automobile = 20 km/hr…
Q: You toss a stone of mass m straight upward with kinetic energy K. If the stone reached a maximum…
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Q: A 0.8 kg paint bucket is falling at 6.0 m/s. How many Joules of kinetic energy does the bucket have?
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Q: 4. Spheres A and B are dropped at the same time from a clff. Sphere B is dropped from twice the…
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Q: 1. Determine from the expression for kinetic energy (KE = ½ mv2) the combination of units,…
A: Given that, Kinetic energy (KE = ½ mv²) Here m is the mass And v is the velocity We know that the…
Q: If both mass and velocity of a ball are doubled, the kinetic energy is increased by a factor of: a.…
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Q: Assume two small balls ball A and ball B. If A has double mass and triple kinetic energy of ball B,…
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Q: The work done by the force
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Q: subcompact car with a mass of 1.60×103 kg and a loaded dump truck with a mass of 1.90×104 kg are…
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Q: An object is dropped from a height of 40 meters. Calculate: a.) its final velocity as it hits the…
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Q: By what factor should the velocity of an object change in order for its kinetic energy to triple?…
A: The energy of the object due to its motion is termed as the kinetic energy. It is generally measured…
Q: A motorcycle can go from 0-60 mph in 3.5 sec. The mass of the motorcycle is 450 kg. (a) What is…
A: The work done is equal to the change in kinetic energy. The power is defined a the rate of doing…
Q: high table. The ball rebounds to 1.65 m. How much energy is lost
A: Mass of ball = 65 g. = m = 0.065 kg. Initial height = 2.50 m
Q: Assuming the outfielder throws a 0.150-kilogram baseball at 44.0 meters per second, the ball's…
A: Given Data : mass(m)=0.150 kg speed(v)=44 m/s Beginning angle=300
Q: 7 kg school kid is hurrying to catch the school bus. He runs at 3.1 m/s. How many es of kinetic…
A: Given:- The mass of the kid m = 47kg The speed of the kid v = 3.1 m/s Find :- The kinetic energy…
Q: Kinetic Energy: An object hits a wall and bounces back with half of its original speed. What is the…
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Q: What is the velocity of a 4.8 x10 kg truck whose kinetic energy is 125 kJ?
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Q: Problem#1:A 11-g bullet has a speed of 26 km/s. a) What is its kinetic energy in joules?
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Q: ar A has a mass of 1000 kg and a speed of 60 km/hr and car B has a mass of 2000 kg and a speed of 30…
A: We know that the kinetic energy of the object is defined as the energy of the object due to the…
Q: A car has a kinetic energy of 4.30 x 10 Jwhen traveling at a speed of 26 m/s. What is its mass?
A: The formula of the kinetic energy is K = 0.5 mv2 where, m is the mass and v is the velocity.
Q: kinetic energy
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Q: The unit of the Kinetic Energy is
A: Option b
Q: An Airbus A380 weighing 890,000 lb is moving down the runway on its takeoff roll with a velocity of…
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Q: You are driving 2018 Honda Civic and are stuck behind 2018 Toyota Tundra. a) What is the increase in…
A: Known value: Mass of 2018 honda civic is m = 1247 kg Given: Initial speed is u = 5 m/s Final speed…
Q: A small spaceship whose mass is 2200 kg (including an astronaut) is drifting in outer space with…
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Q: An object is traveling at a final speed of 12 m/s. What was the initial speed of the object,…
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Q: A subcompact car with a mass of 1.10×103 kg and a loaded dump truck with a mass of 1.50×104 kg are…
A: Solution:- Given in the question, Mass of subcompact car = 1.10×10^3 kg Mass of loaded dump truck…
Q: 1500kg sport car is moving westbound at 20m/s on a level road when it collided with a 4000kg truck…
A: 1500kg sport car is moving westbound at 20m/s on a level road when it collided with a 4000kg truck…
Q: A cheetah can accelerate from rest to a top speed of 24.8 m/s in 5.2 seconds. The cheetah can…
A: The acceleration of the Cheetah is a=vf-vita=24.8-05.2a=4.7692 m/s2 Using the kinematic equation…
Q: kinetic energy
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Q: Which of the following statements correctly describes the relationship between an objects kinetic…
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Q: How fast (in meters per second) must an iron ball with a mass of 66.7 g be traveling in order to…
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Q: The Flash (m -70 kg) has been timed running around the Earth's circumference (1.274 x 10 m) in only…
A: Mass of flash m = 70 kg Circumference D = 1.274 × 107 m time t = 5 minute = 5 × 60 = 300 seconds
Q: = kinetic energy
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