A 9kg sled is being slid across snow. The coefficient of friction is 0.30. What is the frictional force between the sled and the snow?
A)2.7N
B)2.7
C)26.49
D)26.49N

Note: the following questions are unrelated to the balmer series or the martian. refer to your course notes. a sun-sized star will spend most of its lifetime as a: white dwarf b. red giant c. protostar d. main-sequence star

Truck traveling west on the highway experiences an acceleration to the east. what could be the cause of this acceleration

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter