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2 years ago

It's most critical that you'll be critical of Howard Gardner's seven intelligences if you

1 answer:

5 0

<span>Howard Gardner's Multiple Intelligences Theory, and VAK Visual Auditory Kinesthetic ... theory, so you will see references to more than the seven intelligences nowadays. ... If you think about the items aboveit's easy to see why Gardner and his .... and (to my knowledge) has not generated any complaint orcriticism about its ...</span><span>
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calculate the momentum of 5.07 kg egg that is dropped from a roof and falls 2 seconds before hitting the ground.

inysia [295]

Anything that's dropped on or near the Earth accelerates at the rate of
9.8 m/s² on its way down. The mass of the object makes no difference.
After falling for 2 seconds, it's falling at the rate of 19.6 m/s.

Momentum = (mass) x (speed)

The egg's momentum is (5.07 kg) x (19.6 m/s) = 99.4 kg-m/s .

8 0

3 years ago

A 55-kg block, starting from rest, is pushed a distance of 5.0 m across a floor by a horizontal force Fp whose magnitude is 140

max2010maxim [7]

Answer:

The answer is "151.25 J and -547.64 J".

Explanation:

$u = 0\\\\v = 2.35\ \frac{m}{sec}\\\\d = 5.0 \ m\\\\$

Using formula:

$v^2 = u^2 + 2 \times a \times d\\\\2.35^2 = 0^2 + 2 \times a \times 5\\\\a = \frac{2.35^2}{10} \\\\$

$= 0.55 \ \frac{m}{sec^2}\\\\$

$F_{net} = m \times a\\\\F_{net} = 55 \times 0.55 = 30.25\ N\\\\$

Calculating the Work by net force

$W = F_{net}\times d\\\\W = 30.25 \times 5 = 151.25 \ J\\\\$

The above work is converted into thermal energy.

Now,

$F_{net} = F_p - F_f\\\\F_p = 140 \ N\\\\F_f = u_k\times m \times g = u_k \times 55 \times 9.81\\\\F_f = 539.55 \times u_k\\\\30.25 = 140 - u_k \times 55 \times 9.81\\\\u_k = \frac{(140 - 30.25)}{(55\times 9.81)}\\\\uk = 0.203 = \text{Coefficient of friction}\\\\W_f = -F_f \times d\\\\W_f = -0.203 \times 55 \times 9.81 \times 5\\\\Work\ done\ by\ friction = -547.64 \ J$

6 0

2 years ago

How long does it take to shut down a nuclear reactor?.

Sphinxa [80]

Answer:

5 months

Explanation:

3 0

1 year ago

The birth defect caused by the Zika Virus to unborn infants is called__________?

lions [1.4K]

It is B, Microcephaly. Hope I helped! :))

3 0

3 years ago

1. Calculate the average velocity of the following trip. You walk to Pershing Square 58

Gre4nikov [31]

Explanation:

Velocity = displacement / time

v = √((58 m)² + (135 m)²) / (12 min × 60 s/min)

v = 0.20 m/s

7 0

2 years ago