A spaceship is stationed on Mars. How much energy must be expended on the spaceship to launch it out of the solar system ?
Q: The Sojourner rover vehicle shown in the sketch below was used to explore the surface of Mars as…
A: Given data: Power (P) = 10 W Energy (E) = 3.6×107 J Required: Time (t) in hours
Q: A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby has a…
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Q: A 50 kg diver stands on top of a hill with a total energy of 40,000 Joules. How high is the hill?
A: mass of diver(m)=50 kg Energy of diver=40,000 J when diver js at top of hill,the energy is…
Q: A 0.8 kg pigeon is flying at 4 m/s, at a height of 5 m. How much work must its wings do in order to…
A: mass of pigeon = 0.8 kg Initial velocity = 4 msinitial height = 5 m final velocity = 6 msfinal…
Q: A ball has 1200J of energy. How much force was exerted through 0.65 m, so the ball would have that…
A: Given : Energy (E) = 1200 J Displacement (d) = 0.65 m
Q: How much work must be done to stop a 1025 kg car traveling at 115 km/hr?
A: When a car is stopped, the work done is the equal to the difference of kinetic energy between…
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: A competitive diver with a mass of 71.1 kg stands on a diving board 38.1 m above the surface of the…
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Q: What is the energy in the motion of a ball with a mass of 4 kg going at 11.4 m/s? Give you answer…
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Q: A woman with a mass of 70 kg climbs a set of stairs that are h = 3 m high. How much gravitational…
A: The expression for the gravitational potential energy is, Egrav=mgh (I)…
Q: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
A: 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
Q: Suppose a person eats 2000 Kcal per day. Using the facts that 1 Kcal is approximately 4.2 Kj (a…
A: Joule is unit of energy or work. And Watt is the unit of power, which is energy per unit time. So,…
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: Suppose that you want to build a tower out of bricks. Suppose that each brick has a mass of 0.5 kg…
A: The mass of the block, The height of each block, The acceleration due to gravity,
Q: How much does the gravitational potential energy of a 1.2 kg object increase if you lift it upward…
A: Given: The mass of the object is 1.2 kg. The height from the ground is 30 cm.
Q: How much potential energy due to gravity would a person have if they were standing on top of a…
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Q: You have an object of mass 1,205 kg, that is a distance 1.0 m above the ground. If we call the…
A: Given Mass of an object = m = 1205 kg Height of the object = 1.0 m We have to calculate the…
Q: A 1,100 kg horse is walking at 3.0 m/s. How much energy does the horse have?
A: Recall KE=12mv2 Where m= mass of object v= speed of object
Q: What is the kinetic energy of a 25 kg dog that is running at a speed of 8.7 m/s (about 19 mi/h)?
A: The formula for kinetic energy is given as follows:K=12mv2 K is the kinetic energy , m is the mass…
Q: you lift a 8 kg box and place it on a shelf which is 2 meters tall. It falls off the shelf. Right…
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Q: The box of a well-known breakfast cereal states that one ounce of the cereal contains 103 Calories…
A: The unit of energy can be converted from kilocalories to joule by multiplying with 4186 . The…
Q: A 10 kg bowling ball is lifted from the ground to a height of 1 meter. Assuming the bowling alley is…
A: Solution:-
Q: What is the kinetic energy of a 20 KG dog that is running at a speed of 8.2 m/s (about 18 mi/h)
A: m= 20 kg v= 8.2 m/s kinetic energy= K
Q: In a sunny location, sunlight has a power density of about 1 kW/m2 . Photovoltaic solar cells can…
A: The input power given to a solar cell is given by the equation,…
Q: How much energy is required to move a 1300 ka ohiect from the Farth's surface to an altitude twice…
A: Write the given values of the problem- mass(m) m=1300 kg
Q: A 4.0 kg object is raised 7 meters above the ground (on the earth). How high would the object have…
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Q: object that has a grav the object's mass? 9.8 kg
A: GivenPotential energy, PE=734 JHeight, h=5 m
Q: A placekicker in football is attempting a field goal and kicks 0.75 kg football which hits the…
A: Introduction: Gravitational potential energy is the energy poses by the body in the presence of…
Q: What is the potential energy of a boulder that has a mass of 60 kg and is sitting on top of a hill…
A: Given- Mass m=60 kg Height h=200 m g=9.8 m/s2
Q: What is the kinetic energy of a 27 kg dog that is running at a speed of 7.9 m/s (about 18 mi/h)?
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Q: You store your basketball on the 2 meter high shelf. The ball falls and bounces up to a height of…
A: Given data: Initial height (hi) = 2 m Final height (hf) = 1.5 m Required: The percentage loss in the…
Q: A 51-kg satellite is put into orbit and has 152 MJ of kinetic energy. How high above the Earth's…
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Q: A car with a mass of 1250 kg is traveling at 40 m s -1. What is the kinetic energy in kJ? How much…
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Q: Wile E. Coyote lifts an anvil with a mass of 6.50 kilograms up a cliff 10.2 meters tall. How much…
A: U=mgh m is the mass g is the gravitational acceleration h is the height
Q: A 10 kg mass initially sitting on the ground is placed on a ledge 3 meters above ground level. What…
A:
Q: An object is 5m high and has a mass of 2kg. How much PE will it have on moon where acceleration is 2…
A: 50 J
Q: A 4.0 kg object is raised 7 meters above the ground (on the earth). How high would the object have…
A:
Q: What is the kinetic energy of a 15 kg dog that is running at a speed of 7.0 m/s (about 16 mi/h)?
A: Given mass m = 15 kg speed v = 7.0 m/s we have to find out kinetic energy
Q: How much work is done by 2 kg fish that changes its speed from 1 m/s to 3 m/s
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Q: On Earth, an airplane (m = 2000 kg) flies 100 meters above the ground at a speed of 20 m/s. How…
A: Given that, m =2000 kg hight, h=100 m
Q: If you expended 1500 watts for 3 hours, how many kilowatt-hours (kWh) would that be? Enter answer as…
A: Given Information:- Expended power is P=1500 W Time t=3 h Required:- We have to calculate the amount…
Q: How much work is required to stop a 2000 kg car moving with a speed of 30 km/hr?
A: Data Given , Mass of the car ( m ) = 2000 kg Velocity ( v ) = 30 km/hr = 30 × 518 m/s…
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