Ev

This page lists questions and answers that were posted by visitors named Ev.

Questions

The following questions were asked by visitors named Ev.

How many joules of heat are lost by 3399kg granite as it cools from 41.7 degrees Celcius to -13.3 degrees Celcius? answer must be in joules not kJ
15 years ago
If the morning temperature is 24degrees and the overall temperature is 7 degrees, what is the evening temperature.
14 years ago
What is the concentration of a solution of 1.70 g of AgNO3 dissolved in enough water to make 250 mL?
14 years ago
I am not very good at writing essays and I am having trouble with my first paragraph of a persuasive essay on smoking. Could you please give me feedback on what i could fix to make it better? thank you! We’ve all seen them, the person that is smoking in a...
13 years ago
A ball traveling with an initial momentum of 4.5kg m/s bounces off a wall and comes back in the opposite direction with a momentum of -3.5kg m/s. What is the impulse required
2 years ago
A physical therapy exercise has a person shaking a 5kg dumbbell up and down rapidly. If the barbell is moving at 4.5m/a what is the magnitude of the force required to stop it in .333 seconds
2 years ago
If a 20g bullet traveling 910m/s strikes an 80kg man wearing a safety vest how fast in m/s will the man be knocked backwards
2 years ago
A 30kg child runs 4m/s and jumps onto a shopping cart which has a mass of 20kg. Assuming the child rides on the card after the collision the speed of the child and shopping cart just after the child jumps on is how many m/s
2 years ago
two people sitting on a rolling chair with little friction push off from each other so they move apart. one is 60kg and one is 40kg. if the 40kg person recoils at 3.1m/s what will the velocity id the 60kg person's recoil be in m/s
2 years ago

Answers

The following answers were posted by visitors named Ev.