inclined projectiles

Question 1

velocity upwards

Answer 1

(ucosp-gsinit)i +(usinp-gcosit)j

Question 2

velocity downwards

Answer 2

make sign in first bracket plus

Question 3

displacement upwards

Answer 3

(ucospt-gsinit squared)i + (usinpt-.5gcosit squared)j

Question 4

displacement downwards

Answer 4

first bracket minus sign

Question 5

Ax

Answer 5

-gsini

Question 6

Ay

Answer 6

-gcosi

Question 7

range

Answer 7

Sc when Sy=O

Question 8

Vx

Answer 8

ucosp-gsinit

Question 9

Vy

Answer 9

sinp-gcosit

Question 10

Sx

Answer 10

ucospt-.5gsinit squared

Question 11

Sy

Answer 11

usinpt-.5gcosit squared

Question 12

landing angle

Answer 12

-Vy
——
Vx

when Sy=0

Question 13

if a particle lands perpendicularly to the plane

Answer 13

Vx=0 when Sy=0

Question 14

if a particle lands horizontally

Answer 14

tani= -Vy
——
Vx
when Sy=0

Question 15

when a ball bounces on a smooth plane along the i direction

Answer 15

it’s velocity in the i direction remains the same but the j will be multiplied by -e

Question 16

Vx downwards

Answer 16

ucosp+gsinit

Question 17

Sx downwards

Answer 17

ucosp+.5gsinit squared

Question 18

bouncing downwards after dropped vertically

Answer 18

just use the i angle