Someone Please help me Your lab partner is sending waves through a slinky at a particular frequency. Your partner then changes the frequency by a factor of ½. The wave velocity (or speed) will…

A} change by a factor of sqrt(2)

B) change by a factor of 2

C) change by a factor of sqrt(1/2)

D) change by a factor of 1/2

E) Stays the same

Akg a of 55 m at an of 11 ? . if is at 98 km/h,be ?

Atennis player used a tennis racket to hit a tennis ball with a mass of 0.25 kg with a force of 5.25 newtons. how does the force the tennis racket exerted on the tennis ball compare with the force the tennis ball exerted on the tennis racket? a. the force of the tennis racket on the tennis ball is equal in magnitude and opposite in direction to the force the tennis ball exerted on the tennis racket. b. the force of the tennis racket on the tennis ball is equal in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. c. the force of the tennis racket on the tennis ball is less in magnitude and in the same direction as the force the tennis ball exerted on the tennis racket. d. the force of the tennis racket on the tennis ball is greater in magnitude and opposite in direction as the force the tennis ball exerted on the tennis racket.

Answer fast for brainliest an optical telescope is an instrument that collects and reflects light from distant objects focuses light from very small objects stores heat from distant objects focuses light from distant objects