Physics, 17.11.2019 03:31 genyjoannerubiera
ms. sullivan's class is investigating simple machines. today they are using a crowbar to lift a heavy desk. most students can lift the desk with the crowbar, even though they couldn't lift it with their bare hands.
one student in the class can't lift the desk even with the crowbar. what change should be made so the student can lift the desk?
a) use a crowbar that is longer than the first.
b) use a crowbar that is shorter than the first.
c) use a crowbar that is heavier than the first.
d) use a different type of lever that is the same length as the original
Answers: 1
Physics, 21.06.2019 14:10
Asteady current of 1 ais flowing through a conducter calculate the number of electrons that flows through conductor in 1second
Answers: 1
Physics, 22.06.2019 14:30
Which pair of quantities includes one quantity that increases as the other decreases during simple harmonic motion?
Answers: 1
Physics, 22.06.2019 14:30
When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell
Answers: 2
Physics, 22.06.2019 20:00
Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?
Answers: 1
ms. sullivan's class is investigating simple machines. today they are using a crowbar to lift a heav...
Biology, 22.08.2020 02:01
Mathematics, 22.08.2020 02:01
Mathematics, 22.08.2020 02:01
Mathematics, 22.08.2020 02:01
Mathematics, 22.08.2020 02:01
Social Studies, 22.08.2020 02:01