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A 5 kg block accelerates down a ramp at a rate of 0.8 m/s^2. The ramp is slanted at an angle of 17.0 degrees to the horizontal. What is the coefficient of kinetic friction between the block and the ramp?
What is the approximate mass of an object whose weight equals the force in part (b).
A block starts with a certain speed at the top of a frictionless inclined plane with an unknown angle to the horizontal. To calculate the time required for the block to reach the bottom of the plane.
An isotope of phosphorus called P-32 is radioactive. It decays with half life of 14.3 days with the emission of beta particle. A 1.0 m?Ci source of P-32 is implanted in a tumor where it would deliver radiation dose of 28.6 Gy.
We are not normally aware of the gravitational or electric force between two ordinary objects. What is the reason in each case? Give an example where we are aware of each one and why.
How much would a 80.0 kg person weight on Mars, where the acceleration of gravity is 3.93 m/s^2, and on Earths Moon, where the acceleration of gravity is 1.63 m/s^2.
Compute the numerical value for acceleration
If a curve with a radius of 87 is perfectly banked for a car traveling 67 , illustrate what must be the coefficient of static friction for a car not to skid when traveling at 84 ?
What inductance must be connected to a 25 pF capacitor in the oscillator capable of generating 480 nm (i.e., visible) electromagnetic waves.
Lonnie pitches a baseball of mass .20 kg. The ball arrives at home plate with a speed of 40 m/s and is batted straight back to Lonnie with a return speed of 60-m/s. If the bat is in contact with the ball for .050 s, what is the impulse experienced..
how fast is the mass moving when leaves the spring. What is her velocity relative to the ice surface.
A rock of mass 33 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 242 N. What is the magnitude of the acceleration of rock.
A person looks horizontally at the edge of a swimming pool. If its length is 5.00m, and the pool is filled to the surface, to what depth (in m) could observer see? For water is 1.33).
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