WebWe have both a positive and negative solution in (b). Since our coordinate system has the positive direction upward, the +142.8 m/s corresponds to a positive upward velocity at … Webits average speed: (a) during the first 2 sec of fall? (b) during the 1-sec interval between second 1 and second 2? (c) during the 2-sec interval between second 2 and second 4? …
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WebFor example, if I were to run 100 meters in the westward direction and it would take me 10 seconds to cover that distance, my velocity would be 10 meters/second to the west. Another way to think of this: first, calculate the speed (distance divided by time, ignoring direction), which in this case is 100 meters/10 seconds = 10 meters/second ... Web6. The mass of the body on earth is 60kg, what is its weight on the earth and on moon. 2. 7. The mass of earth is 6x10 24 kg and that of the moon is 7.4x 10 22 kg. If the distance between the earth and the moon is 3.84x10 5 km. Calculate the force exerted by the earth and the moon. 2. 8. Calculate the value of ‘g’ acceleration due to ... trichonius picticollis
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WebAs soon as the light turns green, it takes the truck 10 seconds to reach 20 km/h. In that same period of time, a sports car that approaches the green light at 50 km/h and … WebThus we can find the average speed as: Average Speed = (Total distance)/ (Total Time) = (1800 + 1800)/ (30 + 45) = 3600/75 = 48 km/hr. Hence the correct option here is C) 48 … WebWhich ball has the greater average speed during the 1-s interval after release (assuming neither hits the ground during that time)? a)the ball thrown upward b)the ball thrown … trichonic hair serum