A student is sitting on the right side of a school bus when it makes a right turn. We know that the force of gravity acts downwards and a normal force from the seat acts upwards. If the student stays in place when the bus turns, we also know that there must be
a. no other force on the student.
b. a force parallel to the seat directed forward on the student.
c. a force parallel to the seat directed to the left on the student.
d. a force parallel to the seat directed to the right on the student.
e. a force parallel to the seat in a direction between forward and left on the student.
d
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The wave function for a particle must be normalizable because
A) the particle's momentum must be conserved. B) the particle's angular momentum must be conserved. C) the particle's charge must be conserved. D) the particle must be somewhere. E) the particle cannot be in two places at the same time.
A constant volume and mass of helium gas at 27°C is heated so that the pressure of the gas doubles. What is the new temperature of the gas in Celsius degrees?
If we use 67 W of power to heat 148 g of water, how long will it take to raise the temperature of the water from 15°C to 25°C?
The specific heat of water is 4190 J/kg•K. A) 93 s B) 5.3 s C) 22 s D) 114 h
Distinguish between reflection and refraction