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R15

Quiz by D

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34 questions
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  • Q1
    Which quantities are scalar?
    distance and acceleration
    velocity and force
    momentum and displacement
    speed and time
    120s
  • Q2
    A 3.00-kilogram mass is thrown vertically upward with an initial speed of 9.80 meters per second. What is the maximum height this object will reach? [Neglect friction.]
    4.9 m
    9.8 m
    19.6 m
    1 m
    120s
  • Q3
    An airplane traveling north at 220. meters per second encounters a 50.0-meters-per-second crosswind from west to east, as represented in the diagram.
    Question Image
    170 m/s
    214 m/s
    226 m/s
    270 m/s
    120s
  • Q4
    A 160.-kilogram space vehicle is traveling along a straight line at a constant speed of 800. meters per second. The magnitude of the net force on the space vehicle is
    1.6x10^2 N
    8.0x10^2 N
    0 N
    1.28x10^5 N
    120s
  • Q5
    A student throws a 5.0-newton ball straight up. What is the net force on the ball at its maximum height?
    9.8 N down
    0 N
    5 N down
    5 N up
    120s
  • Q6
    A 1.5-kilogram cart initially moves at 2.0 meters per second. It is brought to rest by a constant net force in 0.30 second. What is the magnitude of the net force?
    0.9 N
    0.4 N
    10 N
    15 N
    120s
  • Q7
    As a 5.0 × 10^2-newton basketball player jumps from the floor up toward the basket, the magnitude of the force of her feet on the floor is 1.0 × 10^3 newtons. As she jumps, the magnitude of the force of the floor on her feet is
    1.0 × 10^3 N
    5.0 × 10^5 N
    5.0 × 10^2 N
    1.5 × 10^3 N
    120s
  • Q8
    A 0.0600-kilogram ball traveling at 60.0 meters per second hits a concrete wall. What speed must a 0.0100-kilogram bullet have in order to hit the wall with the same magnitude of momentum as the ball?
    360 m/s
    3.6 m/s
    600 m/s
    6 m/s
    120s
  • Q9
    Which diagram best represents the position of a ball, at equal time intervals, as it falls freely from rest near Earth’s surface?
    Question Image
    (4)
    (3)
    (2)
    (1)
    120s
  • Q10
    A different force is applied to each of four different blocks on a frictionless, horizontal surface. In which diagram does the block have the greatest inertia 2.0 seconds after starting from rest?
    Question Image
    (2)
    (1)
    (4)
    (3)
    120s
  • Q11
    The diameter of an automobile tire is closest to
    10^-2 m
    10^1 m
    10^2 m
    10^0 m
    120s
  • Q12
    Without air resistance, a kicked ball would reach a maximum height of 6.7 meters and land 38 meters away. With air resistance, the ball would travel
    more than 6.7 m vertically and less than 38 m horizontally
    38 m horizontally and less than 6.7 m vertically
    6.7 m vertically and more than 38 m horizontally
    less than 38 m horizontally and less than 6.7 m vertically
    120s
  • Q13
    A car is moving with a constant speed of 20. meters per second. What total distance does the car travel in 2.0 minutes?
    10 m
    2400 m
    1200 m
    40 m
    120s
  • Q14
    A car, initially traveling at 15 meters per second north, accelerates to 25 meters per second north in 4.0 seconds. The magnitude of the average acceleration is
    10 m/s^2
    20 m/s^2
    6.3 m/s^2
    2.5 m/s^2
    120s
  • Q15
    An object is in equilibrium. Which force vector diagram could represent the force(s) acting on the object?
    Question Image
    (3)
    (2)
    (4)
    (1)
    120s

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