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A cannonball is fired at an angle of 30 degrees and a velocity of 16 m/s. How long does it take (to 2 significant figures) for the cannonball to reach the ground?

First, we make the standard assumption that there is no air resistance, meaning that gravity is the only force acting on our cannonball. We then use the SUVAT equations, so: S = 0m (because it will return...

NB
Answered by Nada B. Maths tutor
4108 Views

Discuss the negative effects of smoking in the human body (6).

Smoking can cause carbon monoxide poisoning, meaning that carbon monoxide is carried in the blood via red blood cells instead of oxygen, leading to fatigue. Smoking can also cause lung cancer, as it conta...

SW
Answered by Samodani W. Biology tutor
2391 Views

Was ist deiner meinung von Fernsehen für Kinder?

Meine meinung nach fernsehen und kinder, ist dass kinder wenige TV sehen mussen, stattdessen mussen sie mehr sport machen, um fit zu blieben und eine gesunde Lebensweise zu bekommen. TV kannst schlechte a...

Answered by German tutor
1987 Views

Was hast du letzes Wochenende gemacht?

Letzes Wochenende, bin ich ins kino mit meine Familie gehen, um ein Film zu sehen. Wir haben Eis und bon bons gegessen, es war sehr spass und der Film war toll.

Answered by German tutor
1865 Views

Formation of an enzyme-substrate complex increases the rate of reaction, explain how.

The formation of an enzyme substrate complex reduces the activation energy required for the reaction to take place by bending bonds. Without an enzyme, very few reactions would have the energy to take pla...

Answered by Biology tutor
12142 Views

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