Physics -Urgent

I have two worksheets and each worksheets have some question. I need those questions answers asap. It’s due in few hours. 

https://drive.google.com/file/d/1qJz-ZlghH5vxRK-vyBt1rzAFehgh8V-4/view?usp=sharing

https://drive.google.com/file/d/1spz8zQR8bgZ7lCU0YYXzfMburf9dLB-H/view?usp=sharing