4 Forces Concepts Always in Pairs For Every Action Force there\'s reaction Force

Question

4 Forces Concepts Always in Pairs For Every Action Force there's reaction Force Frictional Force is an example ot Newton's aw Evacuation of Physics labs going N thru doer, one goes nertia Mass Downslope frictional force mgecos(Siope angle Coefficient of Friction has units of m/s/s Normal Force Always Gravitational force Normal Force coefficient of Friction In hands only CPR, compression rate is normal (60 BPM 5) If a projectile with a mass of 500 kg is launched from the ground at an angle of 35°, and a velocity of 300m/s: a) What is its peak altitude If Launch angle is 25 b) What is its vertical velocity at the peak altitude?

Explanation / Answer

5.

In a Projectile motion

Max height is given by:

Hmax = V0^2*(sin A)^2/2g

V0 = initial velocity = 300 m/sec

A = launching Angle = 35 deg

g = 9.81 m/sec^2

So,

Hmax = 300^2*(sin 35 deg)^2/(2*9.81)

Hmax = 1509.13 m

In your there is two different launching angles are given, So if launching angle is 25 deg then

Hmax = 300^2*(sin 25 deg)^2/(2*9.81)

Hmax = 819.29 m

5-B

for projectile motion at the peak altitude vertical velocity is always zero.

Related Questions

Navigate

• Browse (All)
• Browse 4
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.