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3 years ago

If you change the number of loops in a solenoid, what happens to the strength of the magnetic field of an electromagnet?

Physics

1 answer:

siniylev [52]3 years ago

3 0

Answer:

If you increase the number of loops in a solenoid, the strength of the magnetic field of an electromagnet will increase.

Explanation:

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It takes you 7.7 min to walk with an average velocity of 1.7 m/s to the north from the bus stop to the museum entrance. How far

Juli2301 [7.4K]

Distance equals velocity times time:
x = v*t = 1.7 m/s * 7.7min * 60 s/min = 785.4 m

6 0

3 years ago

High-speed stroboscopic photographs show that the head of a 180 g golf club is traveling at 47 m/s just before it strikes a 46 g

inn [45]

Answer:

47 m/s

Explanation:

golf club mass, mc = 180 g

golf ball mass, mb = 46 g

initial golf club speed, vc1 = 47 m/s

final golf club speed, vc2 = 35 m/s

initial golf ball speed, vb1 = 0 m/s

final golf ball speed, vb2 = ? m/s

The total momentum is conserved, then:

mc*vc1 + mb*vb1 = mc*vc2 + mb*vb2

Replacing with data and solving (dimension are omitted):

180*47 + 46*0 = 180*35 + 46*vb2

vb2 = (180*47 - 180*35)/46

vb2 = 47 m/s

7 0

3 years ago

Read 2 more answers

The net force acting on a 50kg crate is 0 N. what is the crates accelratiin

hjlf

The acceleration of an object is directly proportional to the net force acting on it. Zero net force means zero acceleration.

7 0

3 years ago

Help quick (edge 2021)

kow [346]

Answer:

Explanation:

8 0

3 years ago

Potassium is a crucial element for the healthy operation of the human body. Potassium occurs naturally in our environment and th

Mariulka [41]

Answer:

a) 0.0288 grams

b) $2.6*10^{-10} J/kg$

Explanation:

Given that:

A typical human body contains about 3.0 grams of Potassium per kilogram of body mass

The abundance for the three isotopes are:

Potassium-39, Potassium-40, and Potassium-41 with abundances are 93.26%, 0.012% and 6.728% respectively.

Thus; a person with a mass of 80 kg will posses = 80 × 3 = 240 grams of potassium.

However, the amount of potassium that is present in such person is :

0.012% × 240 grams

= 0.012/100 × 240 grams

= 0.0288 grams

the effective dose (in Sieverts) per year due to Potassium-40 in an 80- kg body is calculate as follows:

First the Dose in (Gy) = $\frac{energy \ absorbed }{mass \ of \ the \ body}$

= $\frac{1.10*10^6*1.6*10^{-14}}{80}$

= $2.2*10^{-10} \ J/kg$

Effective dose (Sv) = RBE × Dose in Gy

Effective dose (Sv) = $1.2 *2.2*10^{-10} \ J/kg$

Effective dose (Sv) = $2.6*10^{-10} J/kg$

5 0

3 years ago