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A Physicist must determine the mass = m of a block of a wood without a scale. He pulls the block of wood up a ramp angle = 30 degreesusing a rope. the rope provides a tension of T = 1030N parallel to the ramp, the block of wood is given a constant acceleration a = .50 m/s^s. the coefficient of kinetic friction = 1.15 for the wood sliding on the ramp. find the mass of the block?
how much mass can the larger piston support.
Find out the magnitude of the friction force acting on the case. Laser light with a wavelength = 680 illuminates a pair of slits at normal incidence. What slit separation would produce first-order maxima at angles of 40 from the incident direction.
Two balls, of masses = 60 and = 70, are suspended. The lighter ball is pulled away to a 67 angle with the vertical and released. Suppose that the positive axis is directed to the right.
A mass is stretched 4 centimeters from the equilibrium position of a spring. If the displacement is doubled, what can be concluded about the restoring force? A. It is halved. B. It is doubled. C. It stays the same. D. It is increased by 4. E. It i..
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
how fast is the mass moving when leaves the spring. What is her velocity relative to the ice surface.
A glucose-winged gull, ascending straight upward at 5.20 m/s drops a shell when it is 12.5 m above ground.
A car drives straight off the edge of a cliff that is 58 m high. The police at scene of the accident observed that the point of impact is 121m from the base of cliff. How fast was the car traveling when it went over the cliff.
An engineer is designing a pacemaker for cardiac patients. For the 20 year old woman, how many times must device have to beat for her to have a normal life expectancy.
Calculate the acceleration of the object for an elapsed time of t=1s. use the formula: x-x0=v0t+1/2at^2 x=4.5 m v0=6.0m/s x0=-3.7m
Determine the value of the electric potential. calculate the acceleration of the ball when it is 3 cm from the surface and again at the position determined in part b.
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
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