A convex mirror will allow you to see large areas normally hidden from your view
Indicate whether the statement is true or false
T
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If the temperature of a sample of water at 4°C is slightly increased, its volume
A) increases. B) decreases. C) remains the same.
A baseball catcher throws a ball vertically upward and catches it in the same spot when it returns to his mitt. At what point in the ball's path does it experience zero velocity and non-zero acceleration at the same time?
a. midway on the way up b. at the top of its trajectory c. the instant it leaves the catcher's hand d. the instant before it arrives in the catcher's mitt
An 80-g particle moving with an initial speed of 50 m/s in the positive x direction strikes and sticks to a 60-g particle moving 50 m/s in the positive y direction. How much kinetic energy is lost in this collision?
a. 96 J b. 89 J c. 175 J d. 86 J e. 110 J
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.