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What was the ball's initial speed?
A spring gun at ground level fires a golf ball at an angle of 45 degrees. The ball lands 10 m away. a) What was the ball's initial speed? b) For the same initial speed, find the two firing...
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physics projectile question
a man on 10m high balcony throws a ball at a 45(degree) angle above the horizontal with a speed of 10m/s. by what distance from a target, located on the ground at a distance of 15m from the base of...
Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (µ = 1.5) equal to
Light of wavelength 2400 x 10-10 m in air will become light of wavelength in glass (μ = 1.5) equal to A. 1600 x 10-10 m B. 7200 x 10-10 m C. 1080 x 10-10 m D. none of these
A 6.1kg bowling ball and a 7.2kg bowling ball rest on a rack 0.75 m apart. What is the force of gravity exerted on each of the balls by the other ball? G= Univ
A 6.1kg bowling ball and a 7.2kg bowling ball rest on a rack 0.75 m apart. What is the force of gravity exerted on each of the balls by the other ball? G= Universal Gravitational constant = 6.67...
I have a physics question
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Can anyone help me with these science questions on Astronomy: Earth and Space Systems/ The Solar System?
Most of the frozen ice in a comet's ______ vaporizes after the comet's many trips around the sun. The Sun produces energy by fusing hydrogen atoms, into _____ atoms in its core. Planets...
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2. One of the geo-stationary satellites of India is vertically above A. New Delhi B. Mumbai C. Allahabad D. None of these
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In Physics, how do I go from a velocity vs. time graph to a position vs. time graph?
I have the velocity vs. time graph already, I just need to change it to position vs. time.
Physcis question
Catching a wave, 77-kg surfer starts with a speed of 1.3 m/s, drops a height of 1.65m, and ends with a speed of 8.2 m/s. How much non conservative work was done on the suffer?
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Two blocks, each of mass m, are connected on a frictionless horizontal table by a spring of force constant k and equilibrium length L. Find the maximum and minimum separation between the two blocks...
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Physics Question
A 1.2KG block is held against a spring of force constant 1.0x104N/m, copressing it a distance of 0.15m. How fast is the block moving after it is released and the spring pushes it away?
Physics question
Suppose the two speeds of a two canoes after they are pushed apart are 0.60 m/s for canoe 1 and 0.45 m/s for canoe 2. if the mass of canoe 1 is 350kg, what is the mass of canoe 2?
how does surface area affect rate of active transport?
factors affecting rate of active transport...
physics question
During a rescue operation, a 6000-kg helicopter hovers above a fixed point. The helicopter blades send air downward with a speed of 65 m/s. What mass of air must pass through the blades every second...
Physics problem
A child pedals a tricycle, giving the driging wheel an angular speed of 0.375 rev/s. if the radius of the wheel is 0.275 m, what is the child's linear speed?
