For differentiation to have occurred, the Earth's interior must have been ________
Fill in the blank(s) with correct word
molten
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A moving electric charge or a current in a magnetic field may experience a(n) ______________
Fill in the blank(s) with correct word
What is the minimum energy needed to change the speed of a 1600-kg sport utility vehicle from 15.0 m/s to 40.0 m/s?
A) 1.10 MJ B) 10.0 kJ C) 20.0 kJ D) 40.0 kJ E) 0.960 MJ
A 30.0 cm long organ pipe is filled with air and is open at one end and closed at the other. The velocity of sound in air at 0
is 331 m/s. What is the wavelength of the fifth mode?
A. 30.3 cm B. 26.7 cm C. 21.2 cm D. 17.1 cm E. 12.3 cm
A 10-g bullet moving horizontally with a speed of 1.8 km/s strikes and passes through a 5.0-kg block initially at rest on a horizontal frictionless surface. The bullet emerges from the block with a speed of 1.0 km/s. What is the kinetic energy of the block immediately after the bullet emerges?
a. 8.0 J b. 6.4 J c. 5.3 J d. 9.4 J e. 10 J