3 years ago

What is the same about each type of electromagnetic wave?

Physics

1 answer:

ehidna [41]3 years ago

5 0

I think it is speed

hope this helps

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Use the drop-down menu to answer the question. which sound wave-object interaction is used by animals in echolocation?

Dima020 [189]

Answer:

Reflection

Explanation:

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3 years ago

A car is traveling at 120 km/hr. How many hours will it take to cover a distance of 276 km?

miskamm [114]

answer- 2.3

km/hr 120/1 276/h 276/2.3

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4 years ago

What is the current in the circuit at the instant the capacitor begins to charge (the instant the switch is first closed)?

daser333 [38]

Complete Question

The complete question is shown on the first uploaded image

Answer:

The current is $I = 4.2 \ A$

Explanation:

From the question we are told that

The voltage of battery is $V = 25 V$

The capacitance of capacitor is $C = 15 \mu F$

The resistance of the resistor is $R = 6 \Omega$

Generally the current at the instant the capacitor starts charging is

$I = \frac{V}{R}$

substituting values

$I = \frac{25}{6}$

$I = 4.2 \ A$

8 0

3 years ago

PLZ HELP THE CORRECT ANSWER GETS BRAINLEAST!

Bond [772]

The answer is B because the tire is circular. it will have more momentum and of course it can’t be on snow since it’s not smooth enough for the ice. Plus the sled will go slower on a grass hill since sled needs smooth flooring for no friction.

4 0

4 years ago

How much heat does it take to raise the temperature of 0.10kg of aluminum by 25°C

anygoal [31]

Answer:

Heat required to raise the temperature of aluminium is 2250 J

Explanation:

Heat required to raise the temperature of the given substance is

$Q = ms\Delta T$

here we know that

m = 0.10 kg

specific heat capacity of the metal is

s = 900 J/kg C

change in temperature of the metal is 25 degree

Now we have

$Q = 0.10(900)(25)$

$Q = 2250 J$

7 0

4 years ago