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A small statue is recovered in an archaeological dig. Its weight is measured to be 63.7lb and its volume 0.09ft3.
(a) What is the statue's weight density?
(b) What substance is it, most likely?
An Olympic high jumper wants to cross a bar 1.9 m off the ground while mantaining a velcity of 0.98 m/s. How fast does she have to run to accomplish this
A person does 100 joules of work of pulling back the string of the bow. What will be the original speed of a 0.5 killogram arrow when it's fired from the bow.
18 g of helium gas are placed in a cylinder with a movable piston. The gas is compressed very slowly from a state of ( p1 = 5.5atm, v1 = 32.7 × 10^3 m3) to a state of (p2 = 17atm, v2 = 11 × 10^3 m3 )
A light ray of λ = 410 nmenters at an angle of incidence of 37.6o from air into ablock of plastic. What is the speed of the light inside the plastic
A tuning fork vibrating at 513 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork
A hockey puck impacts a goalie's plastic mask horizontally at122 m/h and rebounds horizontally off the mask at 47mi/h. Find the average force that the puck exerts on the mask
A fancy sports car passes Big Ben at a speed of 0.2 c. What time interval will the driver measure for a one-second interval on the large clock
after walking across a dry carpet theres a potential difference of 5500 v between your hand and the doorknob. as you
Find out the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
A child with a mass of 48 kg is riding on a merry-go-round. If the child has a speed of 3 m/s and is located 2.5 m from the center of the merry-go-round, What is the child's angular momentum
in a single slit diffraction experiment, the width of the slit is 2x10^-5 m and the distance from the slit to the screen is 2 m. what is the linear distance on the screen from the center of the diffraction pattern to the second dark fringe
Two simple pendulums have length of 81-cm and 64-cm they are released from the same angular position at the same instant. After how much time would they both arrive at their initial position simultaneously.
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