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BigorU [14]
3 years ago
5

Desert climates can have very hot days and very cold nights. This is because _____.

Physics
2 answers:
Nataly_w [17]3 years ago
7 0
There is usually a clear skhy

it provides a clear shot for the heat of the sun on the sand and sand can cool very quickly so it allows the air to cool just as fast

hope i helped
Dosvedanya :)
daser333 [38]3 years ago
6 0

Answer:

The correct answer is option B, Clear Sky

Explanation:

The temperature during the day time rises to maximum as there is no moisture in the atmosphere. The moisture being extremely low leads to formation of no clouds/or very rare clouds . Due to no clouds, sky is clear and thus the heat from the sun does not stay close to the Earth surface and it is radiated back to the maximum extent causing the temperatures at night  falling to nearly freezing.

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LekaFEV [45]

Answer:

Zero

Explanation:

Two long parallel wires each carry the same current I in the same direction. The magnetic field in wire 1 is given by :

B_1=\dfrac{\mu_oI_1}{2\pi r}

Magnetic force acting in wire 2 due to 1 is given by :

F_{2}=I_2lB_1

F_2=\dfrac{\mu_oI_1I_2 l}{2\pi r}

Similarly, force acting in wire 1 is given by :

F_1=\dfrac{\mu_oI_1I_2 l}{2\pi r}According to third law of motion, the force acting in wire 1 will be in opposite direction to wire 2 as :

F_2=-F_1

So, the total magnetic field at the point P midway between the wires is in what direction will be zero as the the direction of forces are in opposite direction.  

7 0
3 years ago
A bus travelling 30.0 km/h east has a constant increase in speed of 1.5 m/s. What is its velocity 6.8s later
alekssr [168]

Answer:

8.72 seconds before

Explanation:

and 27.1 secs after

7 0
3 years ago
A 0.00287 C charge is 6.52 m from
yKpoI14uk [10]

Answer:

I know dude

Explanation:

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7 0
2 years ago
Please help me
Grace [21]

Answer:

a. 60 N*s

b. 60 (kg*m)/s

c. 3 m/s

Explanation:

Givens:

m = 20 kg

v_i = 0 m/s

t = 10 s

F = 6 N

a) Impulse:

I = F*t

I = 6 N*10 s

I = 60 N*s

b) Momentum:

p = v*m

F = m(a)

a = F/m

a = 6 N/20 kg

a = 0.3m/s^2

a = (v_f -v_i)/t

v_f = (0.3 m/s^2)*10 s

v_f = 3.0 m/s

p = 3 m/s*20 kg

p = 60 (kg*m)/s

c. Final velocity

a = (v_f -v_i)/t

v_f = (0.3 m/s^2)*10 s

v_f = 3.0 m/s

6 0
2 years ago
To Play Ice Hockey each player needs
Sholpan [36]

Answer:

If one plays ice hockey he should must have necessary equipment to support his sport. These equipment include Ice Skates,Helmet with Cage and Mouth-guard:, Hockey stick, Hockey pants,Hockey gloves, shoulder pads, elbow pads, Shin Guard:Neck guard and Jockstrap (men) or Pelvic protector (women)

Explanation:

7 0
2 years ago
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