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A toy gun uses a spring with a force constant of 315 N/m to propel a 9.5-g steel ball. Assuming the spring is compressed 7 cm and friction is negligible, answer the following questions:
Randomized Variables
k = 315 N/mm = 9.5 gd1 = 7 cm
Part (a) What is the magnitude of the force, in newtons, that is needed to compress the spring?
Part (b) What is the maximum height, in meters, to which the ball can be shot?
Part (c) What is the gunA?1s maximum range, in meters, on level ground?
A public school law requires a minimum illumination of 160 lx on the surface of all students’ desk. If the lights are 2.0 m above the desks, what is the minimum luminous flux the lights should deliver?
A molecule of HCl (dipole moment p = 3.60×10-30 Cm) and moment of inertia of 2.70×10-47 kgm2) is suddenly subjected to an electric field E at right angles to the direction of the molecule's dipole moment. What is the magnitude of the electric field
A body moving with uniform acceleration has a velocity of 13.8 cm/s when its x coordinate is 2.3 cm. what is the x-component of its acceleration
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a circus performer stretches a tightrope between two towers. he strikes one end of the rope and sends a wave along it
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the cross sectional areas of the pistons in the system have a ratio of 25 to 1. If the maximum force that can be applied to the small piston is 12 N, what is the maximum weight that can be lifted?
During July 1994 the comet Shoemaker-Levy 9 smashed into Jupiter in a spectacular fashion. determine what would have been the change (magnitude only) in Jupiter's orbital speed (not its final speed)
A 900 kilogram cart is rolling to the right at 3.70 m/s. A 90.0 kilogram man is standing on the right end of the cart. Find the speed of cart if the man suddenly starts running
A 24-V battery is connected in series with a resistor and an inductor, withR=6.8?andL=6.6H,respectively. Find the energy stored in the inductor one time constant after the switch is closed
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