A 5000 kg helicopter accelerates upward at 2.65 m/s
2
.
The acceleration of gravity is 9.8 m/s^2
.
What lift force is exerted by the air on the
propellers?
Answer in units of N

How are calculation for velocity and speed different

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The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.