Physics, 09.11.2020 22:40, QueenKy6050
It's Friday night and Hector has been assigned the noble task of baby-sitting Jacob, his 2-year old brother. He puts a crash helmet on Jacob, places him in
a red wagon and takes him on a stroll through the neighborhood. As Hector starts across the street, he exerts a 58.2 N forward force on the wagon. There
is a 21.3 N resistance force against the wagon (due to friction) and the wagon and Jacob have a combined weight of 317 N. Determine the magnitude of
the net force, the mass of the wagon (with Jacob), and the horizontal acceleration of the wagon. (Note: acceleration due to gravity = 9.81 m/s/s)
Answers: 3
Physics, 22.06.2019 16:20, jmackenzie7
How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit
Answers: 2
Physics, 22.06.2019 18:30, breiajr
Aballoon is rising vertically upwards at a velocity of 10m/s. when it is at a height of 45m from the ground, a parachute bails out from it. after 3s he opens his parachute and decelerates ata a constant rate 5m/s. when. (a) what was the height of the parachutist above the ground when he opened his parachute? (b)how far is the parachutist from the balloon at t=3s? (c)with what velocity does the parachutist hit the ground? (d)after how long does the parachutist hit the ground after his exist from the balloon?
Answers: 3
It's Friday night and Hector has been assigned the noble task of baby-sitting Jacob, his 2-year old...
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