Physics, 10.04.2020 01:26 Buxtoman8431
3. Pedro threw a penny into a fountain and it sank to the bottom. Which of the following would explain
why the penny sinks?
A. The mass of the penny is more than the mass of the water.
B. The density of the penny is more than the density of the water.
C. The volume of the penny is more than the volume of the water.
D. The temperature of the penny is more than the temperature of the water.
Answers: 3
Physics, 22.06.2019 05:10
What is the electric force acting between two charges of -0.0045 c and -0.0025 c that are 0.0060 m apart? use fe=kq1q2/r^2 and k = 9.00 x 10^9 n*m^2/c^2 a. 1.7 x 10^7 n b. -1.7 x 10^7 n c. -2.8 x 10^9 n d. 2.8 x 10^9 n
Answers: 1
Physics, 22.06.2019 16:40
Acapacitor is storing energy of 3 joules with a voltage of 50 volts across its terminals. a second identical capacitor of the same value is storing energy of 1 joule. what is the voltage across the terminals of the second capacitor?
Answers: 3
Physics, 22.06.2019 19:40
Which of the following is a characteristic shared by both electron and light microscopes? a. they both employ the use of objective lenses. b. both microscopes require an internal camera to visualize the specimen. c. both microscopes have a resolving power of 0.01 nm. d. they both utilize white light to magnify the specimen.
Answers: 2
3. Pedro threw a penny into a fountain and it sank to the bottom. Which of the following would expla...
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