A projectile is fired from the 45 m above the ground (the zero level) with an...

A projectile is fired from the 45 m above the ground (the zero level) with an initial velocity of 285 m/s at an angle of 43.5 degrees above the horizontal;

a. How long will this projectile be in the air?

b. How high will this projectile be at the highest point of its trajectory?

c. What will be the range of this projectile?

d. What will be the velocity of this projectile 28.0 seconds after it has been fired?

e. What will be the displacement of the projectile 28.0 seconds after it has been fired?

f. When will this projectile be 1500 meters above the ground?

g. What will be the velocity of this projectile at the highest point of its trajectory?

Expert Solution

genius_generous answered 2 years ago

A projectile is fired from ground level at an angle of 63 degree above the horizontal...

A projectile is fired from ground level at an angle of 63 degree above the horizontal with an initial speed of 30 m/s . What is the magnitude of its instantaneous velocity the moment before it hits the ground? Express your answer in meters per second to two significant figures.

The distance s(in m) above the ground for a projectile fired vertically upward with a velocity...

The distance s(in m) above the ground for a projectile fired vertically upward with a velocity of 4(a) m/s as a function of time t(in s) is given by s=4(a)t-4.(b)t2 a= 6 b=9 Find the answers to these questions 1. find t for v=0 2. find v for t=4 3. find v for t=5 what conclusions can you draw?

A projectile is fired at a height of 2 meters above the ground with an initial...

A projectile is fired at a height of 2 meters above the ground with an initial velocity of 100 meteres per second at an angle of 35° with the horizontal. Round each result to the nearest tenths of a unit. a) Find the vector-valued function describing the motion b) Find the max height c) How long was the projectile in the air d) Find the range

A projectile is fired from the ground, reaches a maximum height of 26.8 m and lands...

A projectile is fired from the ground, reaches a maximum height of 26.8 m and lands a distance of 76.7 m away from the launch point. What was the projectile s launch velocity? A) 28.2 m/s, 54.4 degrees above horizontal B) 22.9 m/s, 27.2 degrees above horizontal C) 16.4 m/s, 16.3 degrees above horizontal D) 42.3 m/s, 8.2 degrees above horizontal

Projectile Motion A projectile, launched over level ground from a height of 450 meters above the...

Projectile Motion A projectile, launched over level ground from a height of 450 meters above the flat sur face below, has an initial speed of 175 m/s . The projectile is launched at a 43.5 degree angle in relation to the horizontal direction a What are the initial horizontal and vertical components of the velocity of the projec tile? bIn terms of the initial horizontal and vertical components of the velocity, write down equations for the motion of the x...

A projectile is shot from the edge of a cliff 115 mm above ground level with...

A projectile is shot from the edge of a cliff 115 mm above ground level with an initial speed of v0v0 = 65 m/sm/s at an angle of 35.0∘∘ with the horizontal, as shown in the figure (Figure 1). Figure 1 of 1 Part A Determine the time taken by the projectile to hit point PP at ground level. Express your answer to three significant figures and include the appropriate units. tt = nothingnothing SubmitRequest Answer Part B Determine the...

16. A 1.8-kg projectile is fired from level ground. The vertical component of the initial velocity...

16. A 1.8-kg projectile is fired from level ground. The vertical component of the initial velocity is 80 m/s and the horizontal component is 16 m/s. Ignore air resistance and the curvature of the earth in this problem. How far in meters does the projectile travel horizontally? 19. If one platter of lasagna uses 1.5 cups of tomato sauce, how many cups of tomato sauce will 4 platters of lasagna require? 20. A sprinter runs 53 meters in 7 seconds....

Answer the following questions for a projectile which is fired across level ground at an initial...

Answer the following questions for a projectile which is fired across level ground at an initial speed of 59.7m/s . Part A) Find the horizontal distance where the projectile lands if it is shot at 40? above the horizontal. Part B) Find the horizontal distance where the projectile lands if it is shot at 50? above the horizontal.

A small projectile of mass m is fired at an angle θ above the horizontal. The...

A small projectile of mass m is fired at an angle θ above the horizontal. The initial speed of the object is v0. Find the angular momentum of the projectile with respect to its initial position when the object is a) at its initial location; b) at the highest point of its trajectory; c) about to strike the ground. d) What is the source of the torque that changes the angular momentum of the object?

A cannonball at ground level is aimed 30 degrees above the horizontal and is fired with...

A cannonball at ground level is aimed 30 degrees above the horizontal and is fired with an initial speed of 125 m/s. A) how far away from the cannon will the cannonball hit the ground? B) What is the highest point of its trajectory?

Question