3) A body is dropped from top of tower of height 100m and after 2 second another body is thrown vertically downward from same point with 30ms What will be the distance travelled by them when they meet each other Derive formula for the variation of density with temperature,

This punnett square shows the cross between two pants. one parent has round seeds (rr). and the other parent has wrinkled seeds (rr) which best describes their offspring as shown in this cross?

How does a circuit breaker protect a refrigerator? a. when the current is too high, a metal strip in the fuse melts and opens the circuit. b. when the resistance is too high , a re-settable which opens a circuit c. when the current is too high , a re-settable switch opens the circuit d. when the resistance is too high a metal strip in the fuse melts and opens the circuit

Select all the correct answers. which three statements about electromagnetic radiation are true?