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LuckyWell [14K]

3 years ago

14

Doctors can release medical information without a signed medical release for if the information is regarding organ or tissue don

ation. True or false

1 answer:

qaws [65]3 years ago

4 0

Answer:False

Explanation:

False

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How much time does it take a power drill accelerating at 64.3 rad/s2 to achieve

Diano4ka-milaya [45]

Answer;

= 0.244 seconds

Explanation;

500 rpm is equivalent to; 1500 × 2π radians per minute

= 9424.8 rad/minute

To get revolutions per second we divide by 60

= 9424.8/60

= 157.08 radians per second.

Then we divide by 64.3 rad/s^2 to get time;

= 157.08/64.3

= 0.244 seconds.

7 0

3 years ago

Read 2 more answers

George uses crayons to draw a model of the solar system on a sheet of paper. What is a limitation of this model? A. George canno

Yuliya22 [10]

D. The answer is D because any other scenario is possible. For example, in A, John could very easily put the planets in order. In problem B, he could draw some planets bigger than others. On C, he could color the planets on a different color. He can not hovever, move the planets

5 0

4 years ago

Read 2 more answers

A bullet of mass 20g is a fired with a velocity of 50mls from a gun of mass 2.5kg. Calculate the recoil velocity of the gun.

jok3333 [9.3K]

Answer:

v = - 0.4 m/s

Explanation:

Initial momentum is zero as neither gun nor bullet have velocity

Conservation of momentum

0 = 0.020(50) + 2.5v

v = - 0.4 m/s

3 0

3 years ago

Which of the following is not an example of work??

agasfer [191]

I would say B

Because technically if your just holding it your not doing anything

-May

5 0

3 years ago

Assuming that 70 percent of the Earth’s surface is covered with water at average depth of 0.95 mi, estimate the mass of the wate

Alla [95]

Answer:

The mass of the water on earth is $5.4537\times10^{20}\ kg$

Explanation:

Given that,

Average depth h= 0.95 mi

$h=0.95\times1.609$

$h =1.528\ km$

$h=1.528\times10^{3}\ m$

Radius of earth $r= 6.37\times10^{6}\ m$

Density = 1000 kg/m³

We need to calculate the area of surface

Using formula of area

$A =4\pi r^2$

Put the value into the formula

$A=4\pi\times(6.37\times10^{6})^2$

$A=5.099\times10^{14}\ m^2$

We need to calculate the volume of earth

$V = Area\times height$

Put the value into the formula

$V=5.099\times10^{14}\times1.528\times10^{3}$

$V=7.791\times10^{17}\ m^3$

Now, 70 % volume of the total volume

$V= 7.791\times10^{17}\times\dfrac{70}{100}$

$V=5.4537\times10^{17}\ m^3$

We need to calculate the mass of the water on earth

Using formula of density

$\rho = \dfrac{m}{V}$

$m = \rho\times V$

Put the value into the formula

$m=1000\times5.4537\times10^{17}$

$m =5.4537\times10^{20}\ kg$

Hence, The mass of the water on earth is $5.4537\times10^{20}\ kg$

8 0

4 years ago