ThatGirlCJ

Hope this helps!!! :) If you are pulling upward the friction force is less worker force in direction of motion = 360 cos 25 = 326 Newtons (both cases) Friction force: Pushing down = 0.26( m g + 360 sin 25) = 0.26(45*9.81+152) = 154 N Pulling up = 0.26 (m...

What is it you need help with then?

Hi @Diego, the answer to your question is 153.7kJ.

Okay?

Hi @Maylin! So, I'm not exactly sure what the answer is either but maybe this will help you. (Sorry if you still don't understand after this) Image result for (i) Find the general solution of the Differential equation 𝑑2𝑦/𝑑𝑡2 = −4𝑡2 + 5𝑡 + 3 (ii)Hence, fi...

Hi @AMY! The answer to your question is 2/9(x^3 + 1)^3/2 + C

So you just need your answers checked right?

I'm so sorry @Yes, I'm desperate, help me :) I've never had this test so I don't think I can help you :( I wish you good luck though.