The 20 C electricity has passed through the coil of the 230 V iron in 4 seconds Calculate the electrical resistance of this spiral.

Why Is it important to have a control group in an experimental investigation

Who was the man that proposed the uncertainty principle

A rock is thrown 0.8 meters into the air. Find how fast it was thrown.

A 1200-kilogram space vehicle travels at 4.8 meters per second along the level surface of Mars. If the magnitude of the gravitational field strength on the surface of Mars is 3.

A condition where warmer air lies above cooler air, limiting vertical circulation and trapping pollutants near the surface, is.

Describe accuracy, precision and best fit line.

Convert 255 cm to meters, millimeters, and kilometers

7.) A car starts from rest and accelerates uniformly at 1.7 m/s/s. How long will it take the car to reach a speed of 34 m/s? A 200 s B 58 s C 20 s D2 s

A wheelbarrow is an example of what type of lever

Why is it necessary to evaluate an experiment