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Questions (17)
True or False: There are situations at the local level that the Governor of the state could legally not address.
Responses True
0 answers
176 views
Based on the recorded observations, what is the mass of the go-cart in kilograms? (F=ma)
a 45 kg b 28.8 kg c 20 kg d 5 kg
1 answer
123 views
Which statement is correct about the two objects?
a Both are traveling at a constant speed, but Object X is traveling at a faster
1 answer
184 views
An ant on a picnic table travels 30.0 cm to the east, then 15.0 cm to the west. What is the magnitude of the ant's displacement
1 answer
305 views
What is the difference between speed and velocity?
a Velocity has direction. b Velocity has distance. c Velocity has time. d
1 answer
196 views
David is skateboarding at a speed of 2.5 m/s. How far can he travel on his skateboard in 100 seconds?
a 102.5 m b 0.025 m c 250 m
1 answer
187 views
What do A and B represent in the diagram?
a A represents the displacement the dog traveled, while B is a vector representing the
1 answer
157 views
Students are running an experiment in which they are measuring the acceleration after applying forces to a cart. Using the data
1 answer
329 views
A block with a mass of 55 kg is pulled with a force of 220 N. Assuming a frictionless surface, what will be the acceleration of
1 answer
219 views
As you are walking, you foot gets caught on an uneven piece of sidewalk and you trip and fall. Which of the following explains
1 answer
399 views
He’s riding his skateboard down a ramp. Assume that his acceleration is 0.8 m/s2. How much force does it take for him to
1 answer
295 views
How many half-lives does it take a radioactive substance to decay until only one-eighth of the original substance remains?
a
1 answer
143 views
When we write nuclear reactions, you use the A-Z-X formatting. Match the symbols to the terms they represent.
Column A 1. A: A 2.
1 answer
281 views
Which process occurs when two nuclei come together to form one bigger nucleus?
a fusion b fission c both d neither
2 answers
261 views
Which event is an example of an exothermic reaction?
a melting ice b evaporation c combustion d decomposition
1 answer
255 views
One molecule of Iodine (I2) and two molecules of sodium chloride (NaCl) combine in a reaction. How many atoms are in the
1 answer
256 views
Which of the following is NOT a way to speed up a chemical reaction? (Select all that apply)
a increasing the concentration of
1 answer
221 views
