An electric train is going south which way is the smoke blowing

What two variables is acceleration dependent on?

A 0.141 kg pinewood derby car is moving 1.33 m/s. What is its momentum?

You have been called to testify as an expert witness in a trial involving a head-on collision. Car A weighs 1515 1515 lb and was traveling eastward. Car B weighs 1125 1125 lb and was traveling westward at 44.0 44.0 mph.

A crate is given a big push, and after it is released, it slides up an inclined plane which makes an angle 0.52 radians with the horizontal. The frictional coefficients between the crate and plane are (/muμs = 0.84, / muμk = 0.48).

A weightlifter presses a 400 n weight 0.5 m over his head in 2 seconds, what is the power of the weight lifter

Two objects attract each other gravitationally. if the distance between their centers decreases by a factor of 2, how does the gravitational force between them change

In which of the following wave types is the particle motion perpendicular to wave motion? a: longitudinal wave b: p wave c: surface wave d: transverse wave

Convert 1.5 radian into milliradians.

Whats the core of electromagnet made of?

Ultraviolet light emits a total of 2.5 * 10^-17 J of light at a wavelength of 9.8 * 10^-7 m. How many photons does this correspond to?