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A ball is thrown upward from the roof of a building 60m tall. The ball reaches a height of 80m above the ground after 2s and hits the ground 6s after being thrown.
1) Write the equation for the function
2) State the domain and range of the function
A person weighs 75 N on the surface of the moon and 427 N on the surface of the Earth. What is the acceleration of gravity on the surface of the moon
write down the equations expressing conservation of momentum for the components in the x and y directions separately.
Communication satellites are placed in geosynchronous orbit, i.e., in circular orbit such that they complete one full revolution about the earth in one sidereal day.
A corner reflector is made from a triangular prism with an index of refraction of n=2.54 (in a right angle 45 45 90 triangular prism). What is the maximum angle of incidence
a 0.39-kg object connected to a light spring with a force constant of 20.2 nm oscillates on a frictionless horizontal
A 45 g golf ball is pushed up a 30° ramp. The ball starts from rest and the length of the surface of the ramp is 5 m. What was the magnitude of the pushing force
The potential for a mass hanging from a spring is V(y)=ky^2/2+mgy, when y=0 corresponds to the position of the spring when nothing is hanging from it. Find the frequency of small oscillators around the equilibrium point.
a 2.0 kg box rests on a plank that is inclined at an angle of 65deg above the horizontal. the upper end of the box is
A copper block is removed from a 310 C oven and dropped into 1.10 kg of water at 20.5 C. What is the mass of the copper block
Physics: Speed of car at bottom of driveway; initial speed of bullet, 20 A 2.10 x 10³ kg car starts from rest at the top of a 5.0 m long driveway that is sloped at 20° with the horizontal. If an average friction force of 4.0 x 10³ N impedes the mo..
A tiny sphere with a charge of q = +6.4 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions shown in the figure, in which b = 4.1 cm.
1a what is the magnitude and direction of the electric field a distance of 5times10-7m from an electron?bhow much
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