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Setler79 [48]
4 years ago
15

*****WORTH 100 POINTS******WILL MARK BRAINLIEST********* Please help

Physics
2 answers:
EastWind [94]4 years ago
8 0

The baby that crawls at a constant speed is Baby molly

Her speed is 1.7

The speed of the other baby is 1.3

Temka [501]4 years ago
6 0

Answer:

The baby that crawls at a constant speed is Baby molly

Her speed is 1.7

The speed of the other baby is 1.3

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Anni [7]
The answer is A because the oryx in the picture are competing.
4 0
4 years ago
PLEASE HELP ME WITH THIS ONE QUESTION
shtirl [24]

Answer:

\lambda=1.39\times 10^{-4}\ s^{-1}

Explanation:

Given that,

The half-life of Barium-139 is 4.96\times 10^3

A sample contains 3.21\times 10^{17} nuclei.

We need to find the decay constant for this decay. The formula for half life is given by :

T_{1/2}=\dfrac{0.693}{\lambda}\\\\\lambda=\dfrac{0.693}{T_{1/2}}

Put all the values,

\lambda=\dfrac{0.693}{4.96\times 10^3}\\\\=1.39\times 10^{-4}\ s^{-1}

So, the decay constant is 1.39\times 10^{-4}\ s^{-1}.

4 0
3 years ago
A charge of 8.4 × 10–4 C moves at an angle of 35° to a magnetic field that has a field strength of 6.7 × 10–3 T. If the magnetic
larisa86 [58]

Answer:

The charge is moving with the  velocity of 1.1\times10^{4}\ m/s.

Explanation:

Given that,

Charge q =8.4\times10^{-4}\ C

Angle = 35°

Magnetic field strength B=6.7\times10^{-3}\ T

Magnetic force F=3.5\times10^{-2}\ N

We need to calculate the velocity.

The Lorentz force exerted by the magnetic field on a moving charge.

The magnetic force is defined as:

F = qvB\sin\theta

v = \dfrac{F}{qB\sin\theta}

Where,

F =  Magnetic force

q = charge

B = Magnetic field strength

v = velocity

Put the value into the formula

v =\dfrac{3.5\times10^{-2}}{8.4\times10^{-4}\times6.7\times10^{-3}\times\sin35^{\circ}}

v =\dfrac{3.5\times10^{-2}}{8.4\times10^{-4}\times6.7\times10^{-3}\times0.57}

v = 10910.36\ m/s

v = 1.1\times10^{4}\ m/s

Hence, The charge is moving with the  velocity of 1.1\times10^{4}\ m/s.

4 0
3 years ago
A meteorologist swings a sling psychrometer and records the following readings: Dry-Bulb Temperature: 24°C Wet-Bulb Temperature:
ValentinkaMS [17]

Answer:

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Explanation:

6 0
3 years ago
Science, who ever answers this will get a brainlest
Ganezh [65]

answer:

a.fossils of the same plants and animals are found on widely spread continents

explanation:

four fossil examples include; the mesosaurus, cynognathus, lystrosaurus, and glossopteris.

good luck :)

i hope this helps

have a nice day !!

8 0
3 years ago
Read 2 more answers
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