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olga nikolaevna [1]

3 years ago

6

If the forces acting on an object are balanced, the object may change speed, change direction, or do both. Please select the bes

t answer from the choices provided T F

2 answers:

Leviafan [203]3 years ago

8 0

False is ur answer sorry if i am too late

Eddi Din [679]3 years ago

4 0

Answer: False

Explanation:

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A student finds an unlabeled liquid container in his lab. He notices that the container has two liquids. Since the two liquids h

raketka [301]

Answer:

$\rho = 1848.03 kg m^{-3}$

Explanation:

given data:

density of water \rho = 1 gm/cm^3 = 1000 kg/m^3

height of water = 20 cm =0.2 m

Pressure p = 1.01300*10^5 Pa

pressure at bottom

$P = P_{fluid} + P_{h_2 o}$

$P = P_{fluid} + \rho g h$

$P_{fluid} = P - \rho g h$

= 1.01300*10^5 - 1000*0.2*9.8

= 99340 Pa

$p_{fluid} = P_{atm} + \rho g h_{fluid}$ h_[fluid} = 0.307m

$99340 = 104900 + \rho *9.8*0.307$

$\rho = 1848.03 kg m^{-3}$

5 0

3 years ago

The Hawaiian hot spot sits below the Pacific plate. As the plate moves over the hot spot, a chain of volcanoes is formed. The Ea

Viktor [21]

Answer:

$3.2048179721\times 10^{-9}\ m/s$

Explanation:

Assuming that the pacific plate moved 178 km in 1.76 million years.

s = Distance = 178 km

t = Time taken = 1.76 million years

Speed is given by

$v=\dfrac{s}{t}\\\Rightarrow v=\dfrac{178000}{1.76\times 10^6\times 365.25\times 24\times 3600}\\\Rightarrow v=3.2048179721\times 10^{-9}\ m/s$

The speed of the plate is $3.2048179721\times 10^{-9}\ m/s$

6 0

3 years ago

Explain how the force of air resistance depends on an object's speed

nalin [4]

There must be a equal opposite reaction. E=mv2

8 0

3 years ago

You're designing an airport.A plane that will use this airport must reach a speed of Vmin=100km/h(27.8m/s).It can accelerate at

Ilia_Sergeevich [38]

As here it is given that

x = 150 m

a= 2 m/s^2

now initial speed of the plane must be zero as it start from rest

now we will use kinematics

$v_f^2 - v_i^2 = 2 a x$

$v_f^2 - 0 = 2(2)(150)$

$v_f =\sqrt{600} = 24.5 m/s$

so its final speed is maximum 24.5 m/s

so it will not reach to desired speed at the end of runway

5 0

3 years ago

Should there be a salary cap for professional athletes?

Bingel [31]

<em>answer:</em>

From the fan side: Salary caps mean better competition and more parity between all teams in a given league (in theory, anyway). Salary caps in the NFL, NBA and NHL can foster this, but in MLB, luxury tax requirements may not be enough to prevent large-market teams from dominating.

plz mark me as brainliest plzzzz

3 0

2 years ago