Ways in conserving and preserving our water resources in our daily lives

Ingrid is jogging at 9 km/h, she tosses a relay stick at 16 km/h to her teammate. How fast is the relay stick moving relative to Ingrid?

Avi, a gymnast, weighs 40 kg. She is jumping on a trampoline that has a spring constant value of 176,400. If she compresses the trampoline 20 cm, how high should she reach?

Which of the following statements describes a compound machine? A. It has movement in only one direction. B. It can only be acted on by one force. C. It is made up of more than one simple machine. D. It makes work more difficult.

When a high-mass star explodes witch of the following occur a. black hole b. neutron star c. white dwarf d. either a or b

A sound wave travels at 330 m/sec and has a wavelenght of 2meters. calcuate the frequency and period

To produce electricity, a generator needs what kind of input? a) a magnetic field b) a moving rod c) mechanical energy d) electrical energy

What needs to be emphasized in this step when reading? "Turn the two-bottle assembly over, and place the assembly on a table with the filled bottle on top. Watch the water slowly drip down into the lower bottle ...

You just competed in a track meet and you ran the 1500 m race in 484 seconds. what was your average speed in miles per hour?

A spring with spring-constant of 100 n/m is compressed 0.10 m. what is its maximum stored elastic potential energy

Ignacio and Velvet walk eastward with a speed of 8 m/s. If it takes them 7.5 minutes to walk to the store, how far in meters have they walked?