An ant moves at 5 cm/s. It takes her 2 minutes to cross a road. How wide is the road?

which component of the Star Wars movies is possible according to our current understanding of physics?

The first law of thermodynamics states that energy transforms matter in different ways by creating and destroying it. A. True B. False

Which digestive system organ has the main function of absorbing water from digested material? a. stomach. b. esophagus. c. small intestine. d. large intestine.

A 1 gram spiders sits on a platform rotating at 78 rpm. the spider is 15 cm from the centre disk. find the speed of the spider

A simple motor converts

Kim holds a pinwheel in the air and says it can be used to model a source of energy. Identify the type of energy Kim's pinwheel models. Explain the type of energy source used.

An example of a stable system

What causes chemical weathering? a. damage caused by animals and plants c. natural acids b. ice wedging d. physical factors

1. Strzała o masie 20 g tuż po wystrzale ma prędkość 50 m/s. Oblicz pracę wykonaną przez zawodniczkę. Ile wynosi energia potencjalna sprężystości napiętej cięciwy? 2. Na trampolinę o współczynniku sprężystości k=2 kN/m stanął zawodnik o masie 80 kg.

Two small plastic spheres between them has magnitude 0.22 N. What is the charge on each sphere is one the other? Explain whether it can be determined from the information give, whether the charges are positive or negative.