Tim, with mass 78.9 kg, climbs a gymnasium rope a distance of 4.3 m. The acceleration of gravity is 9.8 m/s 2 . How much potential energy does Tim gain? 1. 2826.12 J 2. 3823.57 J 3. 3324.85 J 4. 2992.36 J 5. 3657.33 J 6. 2493.63 J 7. 3158.60 J 8. 3989.82 J 9. 2659.88 J 10. 3491.09 J

What quantity do units represent in value

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

Hat is the most commonly cited cause of occupational injuries in the healthcare sector? a. repositioning of patients b. manual pipetting c. slips and trips d. workplace violence