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Q1. A 0.27 kg rock is thrown perpendicularly upward from the top of the cliff that is 32 m high. When it hits the ground at the base of cliff, the rock has a speed of 29 m/s. suppose that air resistance can be ignored, find out A) initial speed of the rock and B) greatest height of the rock as measured from the base of cliff.
Q2. An 18 kg loudspeaker is suspended 2.7 m below ceiling by two cables that are each 70 degrees from vertical. What is the tension in cables?
What is magnitude of the electric field
Find out that the value of the gravitational field strength
A spring stiffness 900 N/m and relaxed length 1m stands vertically on a table. You hold a block of mass 1 kg barely touching the top of the spring. Assume you let the mass down onto the spring certain distance very slowly and view the mass is not mov..
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.
What is the charge on each
A car dealer claims that his product will accelerate at a constant rate from rest to a speed of 200 km/hr in 8s. What estimated distance will the car travel.
Charge is distributed with constant volume density D throughout the rectangular box with length a, width b and height c.
Write a general expression of the flux
Defined time necessary for one complete oscillation
At the same time, the stationary trumpeter played the same note. Ballot heard 3.0 beats per second. How fast was the train moving toward him.
Compute the numerical value for acceleration
After the NEAR spacecraft passed Mathilde, on some occasion's rocket propellant was expelled to adjust the spacecraft's momentum in order to follow a path that would approach the asteroid Eros, final destination for the mission.
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