How does Newton’s third law explain how a rocket takes off?
A
The rocket’s accele...
How does Newton’s third law explain how a rocket takes off?
A
The rocket’s acceleration is positive, while the gas’s acceleration is negative but the direction is the same. The motion is therefore both “equal and opposite”
B
The rocket is at rest until ignition.
C
The hot gases move in one direction, while the rocket moves in the opposite direction but with equal force.
D
The hot gases cause global warming.
Answers: 2
Physics, 23.06.2019 11:00, tatiiiee
Abox that has self-contained cable clamps holds two light switches. a two-wire no. 12 cable with ground feeds the box, and a pair of two-wire no. 12 cables (four conductors) with ground wires leaves the box to feed the light fixtures. the second switch is fed by a no. 12 jumper wire from the first switch. which one of the following box combinations would furnish the minimum allowable volume? a. two 3-inch × 2-inch × 21⁄2-inch gangable device boxes b. two 3-inch × 2-inch × 11⁄2-inch gangable device boxes c. two 3-inch × 2-inch × 23⁄4-inch gangable device boxes d. two 3-inch × 2-inch × 21⁄4-inch gangable device boxes
Answers: 2
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