A car starts from rest and accelerates with a constant acceleration of 1.00 m/s2 for 3.00 s. The car continues for 5.00 s at constant velocity. How far has the car traveled from its starting point?
A) 24.0 m
B) 9.00 m
C) 19.5 m
D) 4.50 m
E) 15.0 m
Answer: C
You might also like to view...
The two most abundant elements in the Sun are:
A) magnesium and carbon. B) hydrogen and helium. C) nitrogen and neon. D) iron and oxygen.
Suppose you heat an oven to 400°F (about 200°C) and boil a pot of water. Which of the following explains why you would be burned by sticking your hand briefly in the pot but not by sticking your hand briefly in the oven?
A) The water can transfer heat to your arm more quickly than the air. B) The water has a higher temperature than the oven. C) The molecules in the water are moving faster than the molecules in the oven. D) The oven has a higher temperature than the water.
On a warm 30.°C spring day, you are watching Richard take a buzzer and twirl it horizontally around on the end of a 2.0 meter long string. Why do you hear the buzzer tone Vary from 718. Hz to 772. Hz? What is the angular speed?
What will be an ideal response?
When there is electric current through an ionic liquid such as salty water, the moving charges are
A) only protons. B) only electrons. C) only negative ions. D) only positive ions. E) both positive and negative ions.