Alex the Astronaut weighs 70 kg. He is space walking outside the space shuttle and pushes a 350-kg satellite away from the shuttle at 0.90 m/s. What speed does this give Alex as he moves toward the shuttle?
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Q: spring needs a force of 13 N to compress it 21 cm. How much work is requires to stretch the spring…
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Q: In the formula W=F x d the work is measured in joules. What metric units does joules stand for?
A: Given: W = F x d
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A: Black body radiation.
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A: force (F) = 3 N compression (d) = 37 cm = 0.37 m
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A: Required : Do heavier objects fall more slowly than the lighter object.
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Q: How much power is required to lift a 3061 g chair at a height of 0.20 m in 2 s?
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A: Given value--- mass = 50 kg . displacement = 10 m We have to find--- work done?
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Q: A spring with a spring constant of 0.70 N/m is stretched 1.5 m. What was the net force?
A: Spring constant (k)=0.70N/m Displacement (x)=1.5m
Q: How much work is required to lift a 5.0-kg concrete block to a height of 3.4 m?
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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
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Q: How much work is required to lift a 2.99 kg object from the bottom of a well 8.8 m deep?
A: Given data: Mass of the object, m=2.99 kg Height of the well, h=8.8 m Our question is to find the…
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