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Problem: A car of mass m = 1000 kg is pushed off a cliff of height h = 24 m. If the car lands a distance of 10 m from the base of the cliff,
Part A: What was the kinetic energy of the car the instant after it left the cliff?
I need help to find the kinetic energy of the car the instant after it left the cliff.
A solid sphere of radius 40.0 cm has a total positive charge of 29.2 µC uniformly distributed throughout its volume. Compute the magnitude of the electric field at the following distances. 10.0 cm from the center of the sphere
The cost of electricity varies widely throughout the United States; $0.120/kWh is a typical value. At this unit price, compute the cost of the following. Leaving a 40.0-W porch light on for two weeks while you are on vacation.
2.0 mol of gas are at 30 degrees C and a pressure of 1.5 atm. How much work must be done on the gas to compress it to one third of its initial volume at constant pressure
A spacecraft has a non relativistic (or classical) momentum whose magnitude is 9.0 1012 kg•m/s. Obtain the relativistic momentum of the spacecraft
A 35kg child slides down a playground slide at aconstant speed, The slide has a height of 4.0mand is 7.4m long, find the magnitude of the kinetic friction force acting on the child
A 5.0-kg crate is being pulled along a horizontal, smooth surface. What is the acceleration of the crate in m/s2
a point charge 6.50rm nc is at the center of a cube with sides of length 0.300rm m. what is the electric flux through
A 10 kg block has an initial velocity of 6 m/s as it starts up a 30° incline. What is the magnitude of the friction force acting on the block
Positive point charges q and 2q are located at x = 0 and x = 3d, respectively. What is the electric field at x = d (point P)? (Use any variable or symbol stated above along with the following as necessary: k for Coulomb constant.) magnitude E = di..
What is the electric potential energy of the system. A man strikes a long aluminum rod at one end. Another man, at the other end with his ear close to the rod, hears the sound of blow twice (once through the air and once through the rod), with a 26..
A 1.7kg block oscillates on a spring with spring constant 16N/m . At t = 0 s the block is 20 cm to the right of the equilibrium position, obtain the period of the oscillation.
If John Glenn weighed 640N on Earth's surface, i) how much would he have weighed if his Mercury spacecraft had (hypothetically) remained at twice distance from the center of the Earth? ii) Why is it said that an astronaut is never truly weightless..
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