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Elden [556K]
3 years ago
14

Carbon-14 has a half life of 5730 years. Consider a sample of fossilized wood that when alive would have contained 24g of C-14 i

t now contains 1.5g. How old is the sample
Physics
1 answer:
kirza4 [7]3 years ago
6 0

Answer:

5732 years

Explanation:

hope it helps, if not im sorry

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A magnetic field is used to suspend a wire of mass 0.05 kgkg and length 0.16 mm . The wire is carrying a current of 11 AA . What
pochemuha

Answer:

B=0.27840\ T

Explanation:

Given:

mass of the wire, m=0.05\ kg

length of the wire, L=0.16\ m

current in the wire, I=11\ A

Now form the Lorentz force we know that every current carrying wire experiences a magnetic force on it due to the magnetic field components perpendicular to it.

Mathematically given as:

F=I.L\times B

m.g=I.L\times B

here: we nee to balance the gravitational force on the mass.

B= magnetic field

0.05\times 9.8=11\times 0.16\times B

B=0.27840\ T

This magnetic field must be perpendicular to the direction of current in the wire and the these two directional quantities must lie in a plane normal  to the direction of gravity according to the Fleming's left hand rule.

7 0
3 years ago
What is the value of vEp? Select One of the Following (a) 345 mph (b) -345 mph (c) 255 mph (d) 255 mph
serious [3.7K]

We're not completely sure what vEp stands for.

On Etsy, the "value of Eggs from pheasants" is $7.98 a dozen. Shipping is probably additional.

7 0
4 years ago
Exposure to what type of radiant energy is sensed by human skin as warmth?
tia_tia [17]

Answer:Another name for heat energy is... Infrared waves. These cannot be seen by your eyes but can be felt by your skin. ... Gamma Rays. ... Which type of electromagnetic radiation can result in sunburns and skin cancer? Ultraviolet Radiation ... X Rays. What is the distance between one point of a wave to the same point in the ...

4 0
3 years ago
Read 2 more answers
an object is moving with a speed of 35 m/s and has a kinetic energy of 1500 J, what is the mass of the object?
Elena-2011 [213]
You'd use the equation kinetic energy=mass*0.5*speed^2
So you'd rearrange this to get mass =kinetic energy /0.5 *speed^2
Which is mass= 1500J/0.5*35^2
=2.44897959183673469........kg
5 0
3 years ago
The label on a bottle of soda can shows the can contains 397 ml of soda how many litters of soda are in one can
Basile [38]

Answer:

A

Explanation:

1000ml = 1l

397ml = 0.397l

8 0
3 years ago
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