Aweightlifter lifts a 1250-n barbell 2 m in 3 s. how much power was used to lift the barbell?

if you guys with this, you will be marked as brainliest.

pleeaas

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.)

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

Juan created a chart to him study for a test. which headings best complete the chart? x: transparent objects y: opaque objects x: opaque objects y: transparent objects x: high frequency waves y: low frequency waves x: low frequency waves y: high frequency waves