Abiba is studying science. square We are eating fish for dinner. square Diego is riding his bike. square I am wearing a blue shirt. square You are buying brown boots. square
6. Two spherical objects have masses of 6.3times 103kg and 3.5times 104kg .The gravitational attraction between them is 6.5times 10-3N How far apart are their centers?
What is the distortion of light through the earth's atmosphere? Spectral distribution Sun path Tilt angle Heat fade
The total number of stars in the observable universe is roughly equivalent to: the number of grains of sand on all the beaches on Earth. the number of grains of sand on Miami Beach. infinity.
If a piece of rock has a volume of 0.73 L and a mass of 1524 g.what is the density of the rock in g/mL Multiple Choice 21times 10^3g/mL 0.48g/mL 4.8times 10^-4g/mL 21g/mL 2088g/mL
An object is pulled along the ground by exerting a force of 25 pounds a rope that makes a 25^circ angle with the ground. How much work is done dragging the object 31 feet? foot-pounds
The temperature of an object is a measure of the average potential energy of the molecules in the object. A. True B. False
(6 pts) How does the arrangement of Particles differ between a solid, a liquid, and a gas? (6pts) What happens to each when heat is applied to each individually? 4 pts solid 4 pts liquid 4 pts gas
An object with a mass of 1 kilogram on Earth Has the same mass on the Moon. Has more mass on the Moon. Has less mass on the Moon. Weighs the same everywhere.
What forces are present in this situation? An elevator is rising at a constant speed; the elevator is the object in this situation. normal and tension gravity and tension normal, gravity, and tension gravity
You are-tonsidering whether to buy a house for $\$ 80,000$ or another identical house located near high-voltage electric power lines, for $\$ 70,000$ Assume that it has been established that living near high-voltage lines increases the risk of cancer due to electromagnetic fields (EMFs). True or False: If you choose the $\$ 70,000$ house, the radiation from EMFs is not an externality. True X False
Question 1 Light travels faster in: 1. warm air 2. cool air 3. a vacuum. Question 2 When white light goes from air into water,the color that refracts the most is: 1. red 2. orange 3. green 4. violet 5. all refract the same amount. Explain.
What is the maximum number of electrons that the $7^{th}$ energy level can accomodate? 8 32 49 98
A piece of chocolate melts in your mouth This is an example of heat conduction. heat convection. heat radiation. thermal expansion. none of the above.
Question 4 Which of the following objects would require the use of a small-scale model? An atom The planet Saturn The highway system in Florida The path of an ocean current
Of an initial amount of 1000 g of lead-210, how much will remain in 160 years?Lead-210 decays at a rate of $3.15\% /yr$ $\square $ g (Round to one decimal place as needed.)
Which symbol represents a gamma ray? A. $\alpha $ B. $\gamma $ C. $\beta ^{-}$ D. $\beta ^{+}$
Select the correct answer. Which of Newton's laws states that "every action has an equal and opposite reaction"? A. first B. third C. second D. fourth
Refraction results from changes in light's speed. all of the above incident angles. frequency.
Essay: In your own words, explain why a simple pendulum's period does not depend on the mass on the end of the pendulum. $\square $
