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Iteru [2.4K]
3 years ago
6

_______ are different forms of a single element. A) Atoms B) Elements C) Ions D) Isotopes

Physics
2 answers:
KiRa [710]3 years ago
8 0
D they have the same number of protons but a different number of neutrons.
ELEN [110]3 years ago
7 0
The answer is D. Isotopes.
Hope that helped.

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13. If both the directions of velocity and acceleration are negative, ...........
lawyer [7]

Answer:

B)velocity of object decreases

Explanation:

Consider the positive x axis as positive direction

Assume a body moving in negative x-axis direction

It's acceleration also alone negative x-axis direction

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That is both are towards negative x direction

But as both velocity and acceleration are in same direction, MAGNITUDE of velocity increases

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3 0
2 years ago
Amanda spent 2/5 of her time after school doing homework and ¼ of her remaining time riding her bike. If she rode her bike for 4
Doss [256]

Answer:120 min

Explanation:

Given

Amanda  spent \frac{2}{5} of her time after school doing Home work

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Let t be the time after school

therefore Amanda spend \frac{2t}{5} in home work and  \frac{3t}{5} time is left

From remaining \frac{3t}{5} time she spends \frac{1}{4} time riding her bike

therefore \frac{3t}{5}\times \frac{1}{4}=45

thus t=300 min

therefore time  spent on home work is \frac{2}{5}\times 300=120 min

6 0
3 years ago
In which material does the light wave have the larger wavelength?
pochemuha

Answer: in the smaller/ thinner pieces.

8 0
2 years ago
Question 1 (1 point)
deff fn [24]

Answer:

Travelled 18 km, they are 6 km from home.

Explanation:

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What happens when a force is applied to an object in stable equilibrium
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the object is no longer in equilibrium .

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