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A cannon is fired at 30 degrees from the ground and the cannonball has initial velocity of 15 m/s. What is the height of the highest point the cannonball reaches and how far is this point horizontally from the cannon?

With this type of question always draw a diagram with the values on it. We can assume the positive direction is upwards. Start with considering the vertical motion and use SUVAT. s= ? (this is what we are...

EV
Answered by Elena V. Physics tutor
8333 Views

How do I show two vectors are perpendicular?

Vectors can describe a line of particular length ("magnitude") and direction. The angle x between two vectors a and b can be found using the formula a.b...

SA
Answered by Sarah A. Maths tutor
113563 Views

What college should I choose to apply to?

What college you attend at Oxford or Cambridge isn't that important - whichever college, you are sure to make friends, have a good time and receive quality teaching. If you apply to Oxford you will usuall...

SA
1926 Views

The pancreas is an endocrine and an exocrine gland, indicate both of these functions.

Pancreas' exocrine function is mainly aimed at digesting food. It secrets pancreatic digestive enzymes which travel into the pancreatic duct and are released into the duodenum. Pancreas' endocrine functio...

FK
Answered by Fady K. Biology tutor
5652 Views

Differentiate 2x^3 - xy^2 - 4

Differentiate the first term 2x3 as normal by multiplying the coefficient of x by the power and subtracting the power by 1 to get 6x2 . For the next term you have to use the product rule as you...

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Answered by Elena V. Maths tutor
3326 Views

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