Physics, 21.04.2021 01:00, ayoismeisalex

12. A runner at the start of a race generates 250 W of power as he accelerates to 5 m/s. If the runner has a mass of 60 kg, how long did it take him to reach that speed?

Answers: 1

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 22:30, dez73

Aforce of 200 n is applied to an input piston of cross-sectional area 2 sq. cm pushing it downward 2.8 cm. how far does the output piston of cross-sectional area 12 sq. cm move upward? show all work.

Answers: 1

continue

Physics, 22.06.2019 04:50, ineedhelpplz40

Two technicians are discussing a resistance measurement between the can-h and can-l wires. technician a says this measurement should be done with the ignition switch in the "run" position. technician b states that a measurement of 0 ohms indicates an open in the network. which technician is correct?

Answers: 1

continue

Physics, 22.06.2019 12:00, P4thing

Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?

Answers: 3

continue

Physics, 22.06.2019 14:20, jadahilbun01

A1-lb collar is attached to a spring and slides without friction along a circular rod in a vertical plane. the spring has an undeformed length of 5 in. and a constant k =25 lb/ft. knowing that the collar is released from being held at a determine, the speed of the collar and the normal force between the collar and the rod as the collar passes through b.

Answers: 3

continue

Do you know the correct answer?

12. A runner at the start of a race generates 250 W of power as he accelerates to 5 m/s. If the runn...