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SAT® Subject Test in Physics

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Fast Grocery Cart

SATPHY-0YL4QL

A filled shopping cart ($30.0\ kg$) is being pushed rapidly toward the back of a store so that its velocity is $–2.0 m/s$. What is the momentum of the cart, and what is the kinetic energy of the cart?

A
Momentum Kinetic Energy
$60.0 (kg)(m)/s$ $60.0 \ J$
B
Momentum Kinetic Energy
$-60.0 (kg)(m)/s$ $60.0 \ J$
C
Momentum Kinetic Energy
$60.0 (kg)(m)/s$ $-60.0 \ J$
D
Momentum Kinetic Energy
$-60.0 (kg)(m)/s$ $-60.0 \ J$
E
Momentum Kinetic Energy
$60.0 (kg)(m)/s$ $120.0 \ J$