3 years ago

You can use one or more of your five senses to make ______ during an inquiry activity

1 answer:

7 0

You can use one or more of your five senses to make observations during an inquiry activity.
we have nervous system which has special sensory system, we have sensory organs and senses, the five senses are touch, smell, hearing, sight and taste. every sense is related to an organ, like we can touch with hands, hear with ears, sight is related to eyes, we can smell with nose and taste with tongue.

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What is the first time at which the kinetic energy is twice the potential energy?

Pavlova-9 [17]

Answer:

When the tangent of the cyclic frequency and time will be equal √2

Explanation:

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3 years ago

Please help!!! A river has a constant current of 3 km per hour. If a motorboat, capable of maintaining a constant speed of 20km

PilotLPTM [1.2K]

Construct a vector diagram. It will be a right-angled triangle. One vector (the hypotenuse) represents the heading of the boat, one represents the current and one represents the resultant speed of the boat, which I'll call x. Their magnitudes are 20, 3 and x. Let the required angle = theta. We have:

theta = arcsin(3/20) = approx. 8.63° 

The boat should head against the current in a direction approx. 8.63° to the line connecting the dock with the point opposite, or approx. 81.37° to the shore line. 

x = sqrt(20^2 - 3^2) 
= sqrt(400 - 9) 
= sqrt 391 

The boat's crossing time = 
0.5 km/(sqrt 391 km/hr) 
= (0.5/sqrt 391) hr 
= approx. 0.025 hr 
= approx. 91 seconds

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3 years ago

you are working in a physics lab where you have made a simple circuit with a battery and bulb in which part of your circuit is t

LiRa [457]

Answer:

The current moves in the terminal.

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3 years ago

The metric unit to measure work which equals one newton meter is called?

Solnce55 [7]

The metric unit to measure work which equals one newton meter is called One Joule.

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