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A space probe is launched from Earth, headed for deep space. At a distance of 10,000 miles from Earth's center, the gravitational force on the space probe is 520 pounds. If the gravitational force acting on the probe is proportional to 1/d2, what is the force in Newtons when the probe is four times as far from Earth's center?
Would like to see calculation not just answer.
The exhaust temperature of a Carnot heat engine is 305°C. What is the intake temperature if the efficiency of the engine is 32%
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. What is the speed of the wreckage just after the collision
a ceramic coffee cup with m0.113 kg and ccup1090 jkg.degk is initially at room temperature 24degc. if 225 g of 80.3degc
A boy is standing on a frozen lake (i.e. no friction) holding a rope that is attached to his sled. He pulls on the rope and exerts a horizontal force of 5.2 N, What is the acceleration of the boy
The nonconservative wind and lift forces take the balloon up, doing +9.70 104 J of work on the balloon in the process. Illustrate at what height above the surface of the earth does the balloon have a speed of 8.90 m/s?
A window washer pulls herself upward using the bucket-pulley apparatus shown in Fig. 4-42. The mass of the person plus the bucket is 60 kg. (a) How hard must she pull downward to raise herself slowly at constant speed? If she increases this force by ..
a liquid of unknown specific heat at temperature 20c was mixed with water at 80c in a container.final temperature was
If the total momentum of a system is a constant, then we say that the total momentum is conserved. A consequence of Newton’s laws of physics is that the total momentum of a system is conserved whenever the net external force on the system is zero.
Makayla is talking to Mia about the wheather we ever landed on the moon. Mia says" I have a theory about that." Using 3-4 complete sentences, what is wrong with Mia's use of the term "theory" in this instance?
A 100 kg block is pulled at a constant speed of 7.4 m/s across a horizontal floor by an applied force of 132 N directed 37° above the horizontal. find the rate at which the force does work on the block
A spaceship leaving Earth traveling to a distance 2.4 lightyears away at a speed of 0.6c. At the halfway point the spaceship launches the two missles one towards the distant planet and one towards earth both traveling at 0.8c but in opposite direc..
A motor has coils with a resistance of 28 and operates from a voltage of 241 V. When the motor is operating at its maximum speed, the back emf is 141 V. Find the current in the coils when the motor has reached maximum speed
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