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Planet Z is 16600 kilometer in diameter. The free-fall acceleration on Planet Z is 11.13 m/s2.
Determine what is the mass of Planet Z?
Determine what is the free-fall acceleration 13300 kilometer above Planet Z?
a pendulum clock can be approximated as a simple pendulum of length 1.47 m and keeps accurate time at a location where
A pulley is attached to the ceiling (as shown in the figurebelow). Spring scale A is attached to the wall and a rope runshorizontally from it and over the pulley. The same rope is then attached to spring scale B
A tennis ball is thrown straight up with an initial speed of 20 m/s, What is the ball's acceleration at its maximum height
A humanitarian aid package is dropped from a plane flying horizontally 500m above the ground with a speed 100m/s. What is the speed of the package at time of impact? (Calculate the total speed, not a horizontal or vertical projection.)
One of the processes observed among elementary particles is the decay of the pi meson, a particle with the rest energy of 139.57 MeV. It decays into a muon and a neutrino. Find the momentum of the muon after the decay
1000 kg of seawater at 17.5 C and salinity of 3 percent is mixed with 500 kg of pure water with initial temperature 5 C, Determine the final temp C and salinity % of the mixture?
A projectile is shot from the surface of Earth by means of a very powerful cannon. what was the speed of the projectile when it left the cannon
What is the change in length of the rope whilst the skier has the acceleration whose magnitude is 0.65 m/s2.
The venturi flowmeter shown in the figure is used to measure the flow rate of water in a solar collector system. The flowmeter is inserted in a pipe with diameter 1.9 {rm cm}; at the venturi of flowmeter the diameter is reduced to 0.64 {rm cm}. Th..
A certain type of laser emits light that has a frequency of 5.4 x10^14 Hz. The light, so, occurs as a series of short pulses, each lasting for a time of 2.7 x10-11 s.
your car engine just died. your were moving rightward at 25 m/s, but your car slows to a rest in a distance of 120 m. what net average force was exerted on the car
An object (A) of mass 0.1 kg strikes a second objects (B), of mass0.3 kg that is initially at rest. Mass A has an initial velocity of+ 2 m/s. Suppose that the collision is entirely elastic. Compute and describe the final velocities for the two object..
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