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Using energy conservations, how would your calculated final velocity change if you threw a ball off a building straight downward at the same speed as you threw it upward? Explain/give an example.
a mass attached to a spring oscillates horizontally on a frictionless table with a position given byx 5.6 cm cos
A 75 kg adult male is being tested for knee extension strength. The length of his calf segment is .38m. The combined calf/foot segment is 57% of the calf length from the knee joint. The radius of gyration of the calf/foot segment about its mass ce..
a stone falls from rest from the top of a cliff. a second stone is thrown downward from the same height 3.4 s later
A beam of light strikes the plane surface of borate flint glass at an angle of incidence of 57°. How much smaller is the angle of refraction for violet light of wavelength 400 nm than that for red light of wavelength 700 nm
An ice skater has by herself a moment of inertia of 5.5 kg m^2 with her arms out, with her arms in it is 5.0 kg m^2. how fast will she be spinning if she brings her arms in a distance of .7 m
A 35.0-kg seal at an amusement park slides down a ramp into the pool below. The top of the ramp is 1.80 m higher than the surface of the water, and the ramp is inclined at an angle of 30.0° above the horizontal. The seal reaches the water with a s..
A block of rock has dimensions of 2m x 2m x 2m and a density of 3000kg/m^3. The weight of the rock produces a normal stress on its bottom side. Calculate the magnitude of the normal stress on this side.
a parallel-plate capacitor has an area of 5.40 cm2 and the plates are separated by 1.20 mm. the capacitor stores a
theoretically derive the equation for the period of a ring pendulum. a ring pendulum is a ring with a notch set on a
An oil slick on water is 120nm thick and illuminated by white light incident perpendicular to its surface. What color does the oil appear (what is the most constructively reflected wavelenth), given its index of refraction is 1.40?
A mass m = 6.100kg is suspended from a string of length L = 1.310m. What is the angle theta between the string and the vertical
In order to pick up a split in bowling you determine you need to hit one of the pins and force it to move off at a 70 degree angle from the direction of the incoming ball. The ball’s mass is five times that of the pin and is moving at 12.0 m/s when i..
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