Which of the following is an example of balanced forces? A.
A light bulb filament glows when a current moves through a wire.

B.
A person in a hot air balloon ignites the burner, which makes the balloon rise.

C.
A seesaw remains stationary when two students of equal weight sit on the ends.

D.
A driver slams on the car brake, and the car comes to a stop.

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.

For the car in the picture ,in which direction is the normal force? -into the screen -down -out of the screen -up

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?