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: If a 0.50 kg ball is moving at a speed of 12 m/s what is the kinetic energy of the ball? Equation is…
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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…
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Q: Q 15) Duningjogging the velocity of blood flow is about (cm/s (10) inthe aorta, what is the kinetic…
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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: 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: If a Saturn V rocket with an Apollo spacecraft attached had a combined mass of 2.9 × 105 kg and…
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Q: An object has 400 J of energy when it is traveling at 7 m/s, what is its kinetic energy when it is…
A: Given:KE1=400 J when v1=7 m/s Find Out: What is the kinetic energy of the object when it is…
Q: A 0.2 kg ball is rest on edge of the top of a 1 m height table. Does the ball have kinetic energy?…
A: Given that: Mass of ball, m=0.2 kg Ball is in rest at the top of the table with height, h=1 m
Q: Two rocks are moving at the same speed. Rock #2 has 1/4 the mass of rock #1. The kinetic energy of…
A: Explanation:- Let mass of the rock# 1 is m1. Mass of the rock# 2 is m2. Speed of each rock is v.…
Q: Two cannonballs were fired at the same speed. If the cannonball 2 has a mass that is twice the mass…
A: Let's start with the things given,
Q: A 5-kg block moves along the x-axis. Its position changes with time as x=6-8t where x in meters and…
A: Given, mass of the block m = 5 kg x = 6-8t2 We know that velocity v is v=dxdtv=d6-8t2dtv=-16t m/s
Q: A tennis ball weighs approximately 2 ounces on a postage scale. A student practices his serve…
A: Introduction: Given problem is based on the basic kinematics. When body move with velocity it has…
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: Energy is never created or destroyed; it only changes form. Explain the statement.
A: According to the law of conservation of energy, energy can neither be created be nor be destroyed.…
Q: Imagine you threw a ball straight up, waited for it to come down and then caught it. draw a correct…
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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: Kinetic Energy: A 1000-kg car is moving at 15 km/h. If a 2000-kg truck has 23 times the kinetic…
A: Given data, Mass of car m=1000 kg Mass of truck M=2000 kg Velocity of car v=15 km/h
Q: Compare the kinetic energy of a 765.0 kg car moving at 20.0 m/s to the kinetic energy of a 1,530.0…
A: Given: Mass of car 1, m1=765.0 kg Speed of car 1, v1=20.0 m/s Mass of car 2, m2 =1530.0 kg Speed of…
Q: A car with a mass of 1308 kg slows down from 58 km/h to 24km/hr. Calculate the change in its kinetic…
A: We have given Mass of car m=1308kg Initial velocity u= 58 km/h u =…
Q: A 0.2 kg ball is rest on edge of the top of a 1 m height table. Does the ball have kinetic energy?…
A: From the question it is given that: Mass of ball: m = 0.2 kg Height of table: 1m
Q: A 40 kg woman ran with an average velocity of 9 m/s. What was her average KINETIC ENERGY? * 1…
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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: A car (m=1000 kg) is initially moving at a speed of 20 m/s (~45 mph) when the driver hits the brakes…
A: Work done is equal to change in kinetic energy W=∆EK=12mvf2-vi2=121000 kg0-20 ms2=-200000 J=-200 kJ
Q: The kinetic energy of moving body is KE. If the speed is doubled, its kinetic energy will be:
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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: 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: n object with a mass of 6-kg has a velocity of v=(-i+4j) m/s. What is the kinetic energy of the…
A: Given mass of an object m = 6 kg velocity of an object v→ = (-i +4j ) m/s To Find Kinetic energy of…
Q: A bear has 2200 J of kinetic energy while running 6 m/s towards a man. What is the bear's MASS? *
A: kinetic energy of bear K.E = 2200 J velocity of bear v = 6m/s mass of bear be 'm' kg
Q: An object changes speed such that its kinetic energy doubles. If its original speed was v, what is…
A: Given data: New kinetic energy (KE') = 2KE The original speed = v Required: New speed (v')
Q: Jogger A has a mass m and a speed v, jogger B has a mass m/2 and a speed 3v, jogger C has a mass 3m…
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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: 7) Can an object have energy without having momentum? Explain.
A: We are asked if an object can have energy without momentum. To answer we need to use the concept…
Q: Which of the following statements correctly describes the relationship between an objects kinetic…
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Q: A ball of mass 8.59 kg moving with speed 0.81 m/s hits a wall and bounces back with speed 0.21 m/s…
A: Given : m = 8.59 kg vi = 0.81 m/s vf = -0.21 m/s (negative because ball bounces back and moves in…
Q: When the speed of an object doubles, does its kinetic energy double? Explain your
A: Kinetic energy
Q: 16. A 20 000-kg meteorite from outer space is headed directly toward Earth with a speed of 3.0 km/s.…
A: The mass of the meteorite, m=20000 kg The speed of the meteorite, vi=3km/s The distance above the…
Q: An object travels at a speed of 4.0 m/s. It has 24 J of kinetic energy. What is the kinetic energy…
A: Kinetic energy is stated as energy passed by moving body. Its value is equal to half the value of…
Q: can you explain step by step how did they get P=0.0067 Pa.
A: According to kinetic theory of gases ,for an ideal gas , P V = n R T
Q: a) Develop circuit diagram of SR latch using NAND gates on circuit maker. b) Fill a truth table…
A: (a) SR latch using NAND gate is:
Q: Consider the table. Vehicle 1 Vehicle 2 Vehicle 3 Vehicle 4 Mass (kg) 1000 2000 1000 2000…
A: The relationship between the Kinetic energy, mass and velocity is given by; K.E=12mv2…
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