A tennis ball pitching machine goes haywire and pitches at 10 rounds per second and the speed is an incredible 300m/s, what is the distance between balls (length)

Ball's velocity be in a year? Assume there are no nearby planets. A boy is running north with a beanbag in his hands. He passes a tree, and at the moment ne is beside the tree, he drops the beanbag.

A duck is floating on a lake with 25% of its volume beneath the water. what is the average density of the duck?

How far will u go if your wheel' diameter 34in?

A wheel of diameter 138 cm has an axle of diameter 9 cm. A force 120 N is exerted along the rim of the wheel.

In an oblique impact the component of velocity of a partical perpendicular to tha line of impact is? a) remains same after impact b) increases after impact c) decreases after impact

Galileo used his telescope to discover evidence for the Sun-centered model of the solar system. this evidence included all odds the following except a. venus going through phases b. Venus revolving around Sun, not Earth, c.

How much heat would be needed to completely evaporate 43.5 g of boiling water at a temperature of 100 °C? Express your answer in units of joules.

Metallic bonds are important to how paperclips are both made and used. Which statement best describes how metallic bond properties are important for making and using paperclips?

The greenhouse effect on which planet makes it the hottest planet in our solar system? A. Mars B. Mercury C. Venus D. Jupiter

A periodic wave with wavelength = 1 m has frequency f = 3 Hz. What is the wave's speed?