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Problem: A ball is thrown directly downward with an initial speed of 7.45 m/s from a height of 29.6 m.
Part A: After what time interval does it strike the ground?
_____s
Please show steps to find after what time interval it strikes the ground.
Sodium light (lambda = 590nm) is incident on two slits separated by 3.0um in a young's double slit experiment. What is the distance between the central maxima and the third maxima
you are watching a pier being constructed on the far shore of a saltwater inlet when a blasting occurs. you hear the
A uniformly accelerated car passes three equally spaced traffic signs. The signs are separated by a distance d = 21 m. obtain the magnitude of the acceleration of the car
Hurricane winds of 95 m/h are blowing over the flat roof of a well sealed house. What is the difference in air pressure between the inside and outside of the house
An important feature of the Carnot cycle is that: A) its efficiency can be 100% B) its efficiency depends on the absolute temperature of the hot reservoir used.
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.8 cm-3, and their speed is 522 km/s. what total current in amperes Earth receive
a spring is hung from the ceiling. a 0.45kg block is then attached to the free end of the spring. find the angular frequency of the block's vibrations
An observer moving at a speed of 0.860 c relative to a rod (Fig. P26.14) measures its length to be 2.00 m, What is the orientation angle in a reference frame moving with the rod
A 0.70-kg disk with a rotational inertia given by MR2/2 is free torotate on a fixed horizontal axis suspended from the ceiling. A string is wrapped around thedisk and a 2.0-kg mass hangs from the free end.
a block of mass 12.0 kg is connected to a spring on a horizontal frictionless surface. write the expression for the position of the block as the function of time
Superman attempts to drink water through a very long straw.With his great strength he achieves maximum possible suction. Find the maximum height through which he can lift the water
An arrow, starting from rest, leaves the bow with a speed of 26.5 m/s. If the average force exerted on the arrow by the bow were doubled, with what speed would the arrow leave the bow
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