Which of the following are probable sources of error in a scientific experiment

Place the ball in the plastic bag, and twist the top so the ball is secure in the bag. Wrap the twisted portion with tape so it stays tight. Use the hole punch or scissors to poke a hole in the part of the bag that's above the ball.

Electric charge that has accumulated on an object is referred to as

Which of these forces could slow a moving baseball down A. applied force only B. gravitational forces only C. applied, frictional, gravitational forces

Two stars orbiting each other, both with mass 1 M.

Name two finding that have emerged from experiment done in space

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s^2. The acceleration period lasts for time 8.00 s until the fuel is exhausted. After that, the rocket is in free fall.

Why are tyres of formula one is different from four wheels drive?

The slope of a velocity versus time graph gives

Which of the following describes subatomic particles? carbon and nitrogen solids, liquids, gases larger than atoms protons, neutrons, and electrons

What is the difference between speed and velocity? A) velocity describes speed with direction. B) there is no difference. C) Velocity describes direction with position. D) Velocity is used in space, while speed is used on earth.