A time-varying horizontal force F(t) = 4.7t⁴ + 7.8t² acts for 0.500 s on a 12.25-kg object, starting at time t = 1.00 s. What impulse does this force impart to the object?

Athermometer is removed from a room where the temperature is 70° f and is taken outside, where the air temperature is 10° f. after one-half minute the thermometer reads 60° f. what is the reading of the thermometer at t = 1 min? (round your answer to two decimal places.) ° f how long will it take for the thermometer to reach 30° f? (round your answer to two decimal places.)

Both speed and velocity measure how fast something is moving. however, since speed is not a it does not require a(n question 6 options: a) quantity , unit b) magnitude, unit c) scalar, direction d) vector, direction

Which type of energy would have nothing to do with ironing clothes? a. heat b. chemical c. electrical d. mechanical