A tennis ball is served 2.5m above the ground at an angle of 5° above the horizontal direction with an initial speed of 30m/s. (a) When will it hit the ground? (b) How far will it travel

A column of soldiers, marching at 132 steps per minute, keep in step with the beat of a drummer at the head of the column.

Can a small child play with fat child on the seesaw? Explain how?

Jerry measured the mass of the rubber ball to be 12.5 g. His calculated volume was 10.3 cm3. Using the formula density = mass/volume, and the correct number of significant digits, Jerry should record the density as ... 1.21 g/cm3 1.2 g/cm3 1 g/cm3 1.

Dalton's model of an atom is best described as

La altura de un tornillo de banco respecto a la superficie es de 80 cm expresar dicha medida en pies ...

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

Which of the following diagnostic procedures uses ultrasound?

Why is it easier to read black text on a white background than to read green text of any light color?

If object A has more mass than object B, does object A contain more matter? Explain.

Describe a beach that was near stormy seas and powerful waves