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Question: The collision between a hammer and a nail can be considered to be approximately elastic. Calculate the kinetic energy acquired by a 13.9-g nail when it is struck by a 554-g hammer moving with an initial speed of 4.44 m/s.
The maximum strain of a steel wire with Young's modulus 2.0 x 10^11 N/m^2, just before breaking, is 0.20%. What is the stress at its breaking point
Your new super power Heat-O-Matic insulated blender has both a violent chopping blade and a heating element, what amount of heat flowed into the water from the heating element
Suppose two highly precise, identical clocks are synchronized and one clock is placed on the North Pole and the other on the equator. how much will the clocks differ in time
An Olympic long jumper jumps 8.04m, reaching a height of 0.80 m halfway through his jump. What was his velocity as he left the ground? Also, how far would he be able to jump on the moon (g=1.63 N/kg) and how much time would he spend off the lunar sur..
a pitcher throws a horizontal fastball with a velocity of 34 m/s to the left. The batter hits the baseball horizontally to the right with a speed of 52 m/s. How much work is done on the baseball by the bat
A 0.73-kg mass is hanging from a spring with spring constant 13 N/m. What is the resulting period of the oscillation
A 2.00-cm-diameter parallel-plate capacitor with a spacing of 0.200mm is charged to 300V. What is the total energy stored in the electric field
A 1.15 K? resistor and a 505 mH inductor are connected in series to a 1250 Hz generator with an rms voltage of 14.2 V. What is the rms current in the circuit
If a second point charge of ?3.0 nC is placed at the location where you calculated the electric field in part (a), what will be the magnitude of the force on this second charge due to the field of the first
A uniform, solid, right, circular cylinder rolls down an 4.00 m incline without slipping. How fast will the cylinder be rotating at the bottom
Calculate the limiting angle of resolution for the eye, assuming a pupil diameter of 1.80 mm, a wavelength of 530 nm in air, and an index of refraction for the eye of 1.33
An ambulance moving at 36 m/s sounds its siren whose frequency is 350 Hz. What frequency does a person in the car hear as the ambulance approaches the car
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