A 480 V battery pack is used to accelerate an electric car over a time interval of 9.5 s. If 1527 C of charge flow through the battery pack during this acceleration period, determine the horsepower of the car's engine.

104 horsepower

Explanation:

Given:

Voltage across the terminals of the battery (V) = 480 V

Charge flowing through the battery pack (Q) = 1527 C

Time interval for charge flow (Δt) = 9.5 s

Now, current flowing through the battery pack is given as:

Now, power of the car's engine is calculated using the formula:

Plug in the given values and solve for 'P'. This gives,

Now, 1 horsepower (hp) = 745.7 W

Therefore, 1 W =

So,

Hence, the horsepower of the car's engine is approximately 104 horsepower

you cant move and you feel like someones pushing you down onto your bed it can feel like you want to get up but you just can't it can be extremely scary

answer would be letter choice (a),   a ball resting on a shelf. would be another example of potential energy   >   stored energy > not moving.

a ball spinning on a finger   >   kinetic energy > moving energy

a ball rolling on the ground   >   kinetic energy   > moving energy

a   ball flying through the air   > kinetic energy   >   moving energy

hope that                                         : )