After training for two weeks, the athlete gets stronger and can apply more force to the weight. If he can now push the weight 100 meters in 74 seconds, what is his average speed, in meters per second, rounded to the nearest hundredth?

When amy exercises in her fitness center for 1 hr she burns a total of 475 calories.if she burns 9 calories a minute jogging on the treadmill and then burns 6.5 calories a minute pedaling on the stationary bicycle how many minutes of the hour does she spend exercising on the bicycle?

Which of the following always exist between two objects having mass ● elastic force ● contact force ●gravitational force ●magnetic force

How do you work out 21.3-8= show your working. plz