Δt=0 {change in time is 0 vf≠vi {there are two different velocities (final velocity does not equal initial velocity) What I'm saying is this: if no time has passed, can your final and...
Δt=0 {change in time is 0 vf≠vi {there are two different velocities (final velocity does not equal initial velocity) What I'm saying is this: if no time has passed, can your final and...
- helium, carbon, gold - sodium, chromium, copper - iodine, iron, nickel -phosphorous, nitrogen, oxygen
How can you manage to skip a flat stone over water? How can you increase the number of skips? Explain how this works and how it was used in WW2 in a squadron called the Dam Busters?
You expend 1000 W of power in moving a piano 10 meters in 5 seconds. How much force do you exert? A. 50,000 N B. 50 N C. 500 N D. 250 N
In an isolated system, two cars, each with a mass of 2,000 kg, collide. Car 1 is initially at rest, while Car 2 was moving at 20 m/s. What is their combined momentum after the collision? A...
In an isolated system two cars each with a mass of 1000 kg collide Car 1 is initially at rest while Car 2 was moving at 10 ms. they move off together. what is their speed?
Condensation is a ____ process. heating convection cooling evaporation
One side of an asteroid is constantly illuminated by the sun while the other side remains in the dark. If the two sides are at different temperatures, how might heat transfer from one side to the...
Determine the number of calories needed to change 27g of water at 25C into steam at 100C(degrees celsius).
You need to add ___ J of heat to raise the temperature of 100 grams water by 14 defrees celsius.
As you sit in front of a computer, which of the following is exerting the least gravitational force of attraction on you? A. Your chair B. Your classmate across the room that you've had...
Two soccer players kick the same 1-kg ball at the same time in opposite directions. One kicks with a force of 20 N; the other kicks with a force of 12 N. What is the resulting acceleration of the...
d=vt+1/2at^2 solve for t Have to rearrange the formula to find t. Show all the steps.
i really need to learn how to sovle these kind of problems.
Throw ten coins onto a flat surface. Move aside all the coins that landed tails-up. Collect the remaining coins. After tossing them once again, remove all coins landing tails-up. Repeat this process...
Select six molecules introduced in this unit and create a model of the molecular structure of each using the drawing tools of Microsoft Word. Make sure that you include both covalent and ionic molecules...
The total energy of a 3.0kg falling rock is 5000J. If its potential energy is 1,985J, the kinetic energy of the rock is___J.
If the distance from the Sun varied during an asteroid's orbit, would its kinetic energy change? Would its potential energy change? Would the total energy (sum of kinetic and potential energy) of...
There's an experiment I'm doing called the magic ketchup experiment. I would like to know what process would allow water to get inside the packet. Me and my dad are doing this experiment and he gave...
Science and Vocab.