Answer:
a) 30 degree
Explanation:
As we know that time of flight of the projectile depends on the the vertical component of the velocity always
It is given as

now we know that

so we will have

since we know that two projectiles are projected at same speed but different angles
so smaller the angle will take smaller time
so it would be 30 degree projectile which will take smaller time
Answer & Explanation:
Bronze is one of the earliest metals known to man. It is defined as an alloy made of copper and another metal, usually tin. Compositions vary, but most modern bronze is 88% copper and 12% tin. Bronze may also contain manganese, aluminum, nickel, phosphorus, silicon, arsenic, or zinc.
5.1 m/ s
~Multiply 1.5 on both sides since you’re trying to finding out how far it can travel in 1.5 seconds
5.1 x 1.5= 7.65
s x 1.5= 1.5
So a motorcycle can travel 7.65 m in 1.5 seconds.