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Artyom0805 [142]

3 years ago

12

How to do this problem

2 answers:

marusya05 [52]3 years ago

4 0

The answer I'm pretty sure is 3

STALIN [3.7K]3 years ago

3 0

You know the insect's mass.
You know the insect's acceleration.
==> Find the force on the insect. (F=Ma)

==> The force on the car is equal and opposite.

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Convertir 1200 ms a cs<br> Convertir 0,3 mm a cm.

Vaselesa [24]

Answer:

You can do the reverse unit conversion from cm/s to m/s, or enter any two units below: Metre per second (U.S. spelling: meter per second) is an SI derived unit of both speed (scalar) and velocity (vector quantity which specifies both magnitude and a specific direction), defined by distance in metres divided by time in seconds.

Explanation:

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3 years ago

A plane flies from basecamp the Lake A, 280 km away in a direction of 20° north of

klasskru [66]

Answer:

308657

Explanation:

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5 0

3 years ago

Which statement correctly describes gravity?

Bess [88]

The second one is best. Gravity is an attractive force that acts between all objects, whether they're in contact or not.

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3 years ago

Read 2 more answers

A student wearing frictionless in-line skates on a horizontal surface is pushed by a friend with a constant force of 47 N. How f

Novosadov [1.4K]

Answer:

7.53 m

Explanation:

Force, F = 47 N

initial velocity, u = 0

Final kinetic energy, Kf = 354 J

Let the distance traveled by the student is s.

According to the work energy theorem,

Work done by all forces = Change in kinetic energy

Force x distance = final kinetic energy - initial kinetic energy

F x s = kf - ki

47 x s = 354

s = 7.53 m

4 0

3 years ago

if change in blood pressure between the brain and the feet is 1.88×10^4 pa .what will be the volume flow rate from head to feet

klio [65]

Answer: $3765.66 \frac{m^{3}}{s}$

Explanation:

We can solve this problem using the <u>Poiseuille equation</u>:

$Q=\frac{\pi r^{4}\Delta P}{8\eta L}$

Where:

$Q$ is the Volume flow rate

$r=23 cm \frac{1 m}{100 cm}=0.23 m$ is the effective radius

$L=6 ft \frac{0.3048 m}{1 ft}=1.8288 m$ is the length

$\Delta P=1.88(10)^{4} Pa$ is the difference in pressure

$\eta=3(10)^{-3} Pa.s$ is the viscosity of blood

Solving:

$Q=\frac{\pi (0.23 m)^{4}(1.88(10)^{4} Pa)}{8(3(10)^{-3} Pa.s)(1.8288 m)}$

$Q=3765.66 \frac{m^{3}}{s}$

4 0

3 years ago