An archer standing on a 15 degree slope shoots an arrow 20 degrees above the horizontal as shown in the attached figure. The arrow is shot with an initial speed of 50 m/s from a position 1.75m above the ground.
a) determine how far down the slope the arrow lands.
b) determine how long (in seconds) the arrow stays in the air.

Question

An archer standing on a 15 degree slope shoots an arrow 20 degrees above the horizontal as shown in the attached figure. The arrow is shot with an initial speed of 50 m/s from a position 1.75m above the ground.
a) determine how far down the slope the arrow lands.
b) determine how long (in seconds) the arrow stays in the air.

anonymous · Answer

My professor said the answers were a) 306 m and b) 6.3s however I searched online and many people get 297m so I don't know if my teacher made an error.
Can someone clarify and solve this problem. Please and thank you.

cggurumanjunath · Answer

can u show ur steps @Heyyale ?