A water pump with a power of 3.4 * 102 watts lifts water at the rate of 7.5 * 10-2 meters/second from a water tank. What is the force exerted by the pump on the water?

Which of the following is an important part of scientific methods? A. using calculators B. Teaching others C. Traveling to different places D. Making hypothesis

Explain why Earth stays in constant rotation.

Why Universe is Created?

Why do most scientists follow a set order of steps when carrying out a scientific investigation?

You illuminate the grating in a spectrometer at normal incidence θi=0° with a beam of light that has a wavelength of 6562.8 Å. The grating has exactly 600 lines per mm. a. What is the angular deflection of the first-order diffracted beam? b.

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.

Explain what each of the following scientists contribute to the atomic theory

A fully charged parallel-plate capacitor remains connected to a battery while a dielectric is slid between the plates. Do the following quantities increase, decrease, or stay the same? Select one or more: a. delta V increases b.