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A baseball is thrown horizontally from from a height of 44.10 mabove ground with a speed of 33.5 m/s. Where is the ballafter 3.00 s have elapsed?Horizontal _____ m from the launch positionVertical _____ m from the ground
A new spaceship that can travel at a speed of 0.900c. Mary, the astronaut,boards the spaceship to travel to Barnard's star, which is the second nearest star to our solar system after Alpha Centauri and is5.98 ly away.
In extremely cold weather conditions where the inside thermostat is set to 27 C and the outside temperature is -20 C, How much energy might you lose in one week
Monochromatic light (640 nm) strikes a pair of slits at normal incidence, forming the double-slit interference pattern on a screen located 1.82m from the slits. It shows the interference pattern observed on the screen. What is the slit separation.
Light has a wavelength of 550 nm in a vacuum. It then enters a medium of index of refraction 1.70, What is the frequency of this light in the vacuum, What is its frequency in the medium
The string has a breaking-point force of 45 N. Illustrate what is the largest value v can have without the string breaking?
A 15 kg child sits on the edge of at 2 m radius, 200 kg merry go round. A father as been getting a little carried away, What is the final angular velocity of the merry go round
A camera flash delivers 2.9 kW of light power for 1.3 ms. Find the total momentum carried by the flash
Suppose a news report stated that starship Enterprise had just returned from a 5 year voyage while traveling at 0.81c. If the report meant 5.0 years of Earth time, how much time elapsed on the ship
If 100 gpm are flowing in the piping system below, and Gauge 1 reads 120psi and Gauge2 reads 94psi, how much pressure in psi is lost to friction
A horse canters away from its trainer in a straight line, moving 111 m away in 15.0 s. It then turns abruptly and gallops halfway back in 4.90 s.
A student sits on a rotating stool holding two 3.9-kg objects. When his arms are extended horizontally, Find the new angular speed of the student
Three point charges have equal magnitudes, two being positive and one negative. Calculate the magnitude of the net force
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