2 years ago

Which of these determines an objects ability to sink or float in water?

Physics

1 answer:

Zigmanuir [339]2 years ago

8 0

Answer:

C. Density

Explanation:

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What is the self-inductance of a solenoid 30.0 cm long having 100 turns of wire and a cross-sectional area of 1.00 × 10-4 m2? (μ

madreJ [45]

Answer:

$L=4.19*10^{-6}H$

Explanation:

The self-inductance of a solenoid is defined as:

$L=\frac{\mu N^2A}{l}$

Here $\mu_0$ is the the permeability of free space, N is the number of turns in the solenoid, A is the cross-sectional area os the solenoid and l its length. We replace the given values to get the self-inductance:

$L=\frac{4\pi*10^{-7}\frac{T\cdot m}{A}(100)^2(1*10^{-4}m^2)}{30*10^{-2}m}\\L=4.19*10^{-6}H$

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3 years ago

Calculate the maximum kinetic energy of electrons ejected from this surface by electromagnetic radiation of wavelength 236 nm.

nydimaria [60]

Answer:

Explanation:

Using E= hc/wavelength

6.63 x10^-34 x3x10^8/ 236nm

19.86*10^-26/236*10^-9

=0.08*10^-35Joules

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3 years ago

WHAT STRUCTURE DO ALL OF BORON, CARBON, NITROGEN, OXYGEN, AND FLOURINE HAVE IN COMMON

SVEN [57.7K]

CArbon
CaRbOn
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3 years ago

Which of the following is the most appropriate definition of organic compound?

Varvara68 [4.7K]

Answer:

D. a solid, liquid, or gaseous compound that is found in living organisms

Explanation:

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3 years ago

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Which statement best describes the difference between acceleration and velocity?

kramer

Answer:

Explanation:

acceleration is a change in velocity which means a time rate change in velocity but velocity is the time rate change in displacement

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3 years ago