Which of the following is true about a rigid body in dynamic equilibrium? the body can have translational motion, but it cannot have rotational motion. the body can have translational motion and rotational motion, as long as its translational and angular accelerations are equal to zero. the body cannot have translational motion, but it can have rotational motion. the body cannot have translational or rotational motion of any kind.

Immediately upon reaching its lowest point, a falling pendulum bob has its greatest amount of energy, which is the initial amount of potential energy. a. heat; less than b. heat; more than c. kinetic; less than d. kinetic; more than

Agroup of students is studying convection currents. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other in an area with warm air. after 10 minutes, the balloons are released from a height of 1 meter. which of the following do the students most likely observe? question 2 options: the balloons rise at the same rate. both balloons are the same size. the ballons both rise. the cold ballon is larger than the warm balloon. the cold balloon expands and rises. the warm balloon shrinks and sinks. the warm balloon expands and rises. the cold balloon shrinks and sinks.

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c