Acombined circuit has two resistors in parallel (10.0 ohms and 14.0 ohms) and another in series (5.0 ohms). if the power source is 9.0 volts, what is the current?
a. 1.6 amps
b. 5.8 amps
c. 0.83 amps
d. 1.3 amps

Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z

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

It's a snowy day and you're pulling a friend along a level road on a sled. you've both been taking physics, so she asks what you think the coefficient of friction between the sled and the snow is. you've been walking at a steady 1.5m/s, and the rope pulls up on the sled at a 32 ∘ angle. you estimate that the mass of the sled, with your friend on it, is 65 kg and that you're pulling with a force of 80 n .