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1) Which material would have the strongest compressive strength?
i) egg shell
11) a ream of paper
111) pile of dry sand
iv) rope
v)shopping bag
2) Hydrogen is to a proton as helium is to.
a) an alpha particle.
b) a beta particle
c) a gamma particle
d) an electron
e) a neutron
3) A high -energy Physicist might request research funding for studies pertaining to:
a) aerobic physiology.
b) hydrogen bombs
c) Elementary particles
d) ultimate field theories
e) tertiary particles.
4) Which elementary particle cannot participate in the Strong Force?
a) lepton
b) electron
c)tau
d) neutrino
e) all of the above
5) The force that holds the nucleus together despite the electrical repulsion between protons is:
a) gravitational force
b) weak force
c) electromagnetic force
d) strong force
e) electroweak force
The space shuttle releases a satellite into a circular orbit715 km above the Earth. How fast must the shuttle bemoving (relative to Earth) when the release occurs?
A concave mirror is designed so that the virtual image it produces is twice the size of the object when the object is located 19.0 cm from the mirror. What is the mirror's radius of curvature?
A block slides down a frictionless plane having an inclination of θ = 19.1 °. Find its speed when it reaches the bottom of the incline
A ball is tossed from an upper-story window of a building. Theball is given an initial velocity of 8 m/2 at an angle of 20degreesbelow the horzontal. It strikes the ground 3.00s later.
A cannon, located 60.0 m from the base of a vertical 25.0 m tall cliff, shoots a 15 kg shell at 43.0 degree above the horizontal toward the cliff. What must the minimum muzzle velocity
Two 4.0 cm × 4.0 cm electrodes spaced 2.0 mm apart form aparallel-plate capacitor. Inside the capacitor the electric fieldstrength is 6.2 X106 N/C. What is the charge on each electrode
When responding to sound, the human eardrum vibates about its equilibrium position. Supposed an eardrum is vibrating with an amplitude of the 6.3*10^7 m and a maximum speed of 2.0*10^-3 m/s.
Two events are observed in a frame of reference S to occur at the same point, by the second event occurring after a time of 1.7 s. In a second frame S' moving relative to S, the second event is observed to occur after a time of 2.25s. What is the dis..
An object of mass m, is attached to a spring balance and its weight w is recorded. What will be the result if the object is taken to the moon and weighed there where the gravitational field strength is less?
A 1 centimeter diameter pipe widens to 3 centimeter, then narrows to 6.8 millimeter. Liquid flows through the first segment at a speed of 3 meter per second. Find the speed in the second and third segments
The earth's magnetic field at one location in the magnet ospherehigh above the earth's atmosphere is 3.0*10-7 T. Acoilwhose inside area is 5000m2 rotates in the magnet osphere so that the flux varies from the maximum possible value to the minimum pos..
A stationary motion detector sends sound waves of frequency 500 Hz towards an approaching truck. What is the speed of the truck
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