What is the wavelength from a radio station having frequency 107.7 MHz?

A. 2.790 m
B. 27.90 m
C. 32.30 m
D. 323.0 m
E. 108.0 m


A. 2.790 m

Physics & Space Science

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The position of an object that is oscillating on an ideal spring is given by the equation x = (12.3 cm) cos[(1.26s-1)t]. At time t = 0.815 s, (a) how fast is the object moving? (b) what is the magnitude of the acceleration of the object?

What will be an ideal response?

Physics & Space Science

Classify the following statement as a characteristic

(a) of electric forces only, (b) of magnetic forces only, (c) of both electric and magnetic forces, or (d) of neither electric nor magnetic forces. The force exerted on a charged object cannot alter the object’s speed.

1.electric forces 2.magnetic forces 3.both electric and magnetic forces 4.neither electric nor magnetic forces

Physics & Space Science

It is likely that both Pluto and Triton were originally ________

Fill in the blank(s) with correct word

Physics & Space Science

A 2.0-kg block slides on a frictionless 15° inclined plane. A force acting parallel to the incline is applied to the block. The acceleration of the block is 1.5 m/s2 down the incline. What is the applied force?

a. 8.1 N down the incline b. 3.0 N down the incline c. 2.1 N up the incline d. 3.0 N up the incline e. 8.1 N up the incline

Physics & Space Science