Lara has four samples of substances: Sample A: 5 g of salt
Sample B: 8 g of sand
Sample C: 8 g of sugar
Sample D: 5 g of sugar

Which of the following samples have the same solubility in water?

Sample A and Sample C

Sample A and Sample D

Sample C and Sample B

Sample C and Sample D

1400 kg car has a speed of 27 m/s. if it takes 7 s to stop the car, what is the impulse and the average force acting on the car?

Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.