Velocity of the wood block immediately after the bullet hits
A 0.07 kg bullet traveling at 577 m/s hits a 5.6 kg block of wood and stays in the wood. What is the velocity of the wood block immediately after the bullet hits it?
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An aircraft weighing 840 N is accelerated at 8.3 m/s/s for 5 seconds, at which time the aircraft launches. Assume the acceleration is constant. What is the force required to launch the aircraft?
An aircraft with a mass of 977 kg accelerates from 0 to 97 m/s in 9.6 seconds, at which time the aircraft launches. What is the kinetic energy of the aircraft when the aircraft launches?
Suppose bar-x is 67, Ho: mean = 50 and Ha: mean>50. The p-value from the one-sample z-test is 0.03. The p-value means:
If solar radiation is incident on the spacecraft at a rate of 1000 W/m2, determine the surface temperature (K) of the spacecraft when the radiation emitted equals the solar energy absorbed.
Suppose cholesterol levels of adult women have a mean of 188.9 and SD of 20.9. What is the probability that a randomly selected adult woman has a cholesterol level between 161.73 and 232.79?
An industrial arts instructor has deisgned a test of mechancical aptitude (MechA) and having investigated its properties, finds that studnets with scores lower than 8 tend to do poorly in the class. Those with scores higher than 12 excell. Adminin
Fifty five kJ of heat is transferred to the air during this process. Determine the change in specific internal energy of the air. The pressure is constant during the process.
The direction of the magnetic field in a current carrying coil is parallel to the magnetic dipole moment of the coil.
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