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yuradex [85]
3 years ago
6

Please help me with this

Physics
1 answer:
aev [14]3 years ago
6 0

Answer:

the answer is UV Radiation

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3. At an early age, what happened to Cesar’s home?
Doss [256]

Answer: He died later in 78 BC and was accorded a state funeral. Hearing of Sulla's death, Caesar felt safe enough to return to Rome. Lacking means since his inheritance was confiscated, he acquired a modest house in the Subura, a lower-class neighbourhood of Rome. hope this helps. Can u give me brainliest

Explanation:

3 0
3 years ago
A boat having a length 3m and breadth 2m is floating on a
brilliants [131]

Answer:

60 kg

Explanation:

The man's weight is equal to the weight of the water he displaces.

mg = ρVg

m = ρV

m = (1000 kg/m³) (3 m × 2 m × 0.01 m)

m = 60 kg

The man's mass is 60 kg.

3 0
3 years ago
A force of 6.0 N is applied horizontally to a 3.0 kg crate initially at rest on a horizontal frictionless surface. After the cra
Savatey [412]

Answer:

a. Yes, because the acceleration of the crate is 2.0 m/s².

Explanation:

Given

Force = 6N --- f

Mass = 3kg --- m

Time = 1.5s --- t

Velocity = 3.0m/s --- v

Required

Does the system support F=ma

Yes, it does and this is shown below

The crate is initially at rest; so:

u = 0

Using the first equation of motion

v = u + at

Substitute values for v, u and t

3 = 0 + a*1.5

3 = 1.5a

Make a the subject

a = 3/1.5

a = 2

Using F = ma

Substitute values for F and m

6 = 3 * a

Divide both sides by 3

6/3 = 3/3 * a

2 = a

a = 2

In both cases:

a = 2

<em>Hence, option (a) is correct.</em>

6 0
3 years ago
Where do glaciers form
Yuki888 [10]
Glaciers<span> begin to </span>form<span> when snow remains in the same area year-round, where enough snow accumulates to transform into ice. Each year, new layers of snow bury and compress the previous layers. This compression forces the snow to re-crystallize, forming grains similar in size and shape to grains of sugar.</span>
3 0
3 years ago
Read 2 more answers
A bullet of mass 20g is horizontally fired with a velocity of 150m/s from a pistol of mass 2 kg. What is the
kiruha [24]

Answer:

m1 = 20g (= 0.02 kg)

Mass of pistol, m2 = 2 kg

Initial velocity of the bullet (u1) and pistol (u2) = 0

Final velocity of the bullet, v1 = +150m s-1

Let v be the recoil velocity of the pistol.

Total momentum of the pistol and bullet after it is fired is

= (0.02 kg x 150 m s-1) + (2 kg x v m s-1)

= (3 + 2v) kg m s-1

Total momentum after the fire = Total momentum before the fire

3 + 2v = 0

→v = -1.5 m/s  

7 0
3 years ago
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