# Answer to Question #15940 in Mechanics | Relativity for Willow

Question #15940

005 (part 1 of 2) 10.0 points

An artillery shell is ﬁred at an angle of 69.8

◦

above the horizontal ground with an initial

speed of 1930 m/s.

The acceleration of gravity is 9.8 m/s

2

.

Find the total time of ﬂight of the shell,

neglecting air resistance.

Answer in units of min

006 (part 2 of 2) 10.0 points

Find its horizontal range, neglecting air resistance.

Answer in units of km

007 10.0 points

A stone is thrown from ground level at 77 m/s.

Its speed when it reaches its highest point is

52 m/s.

Find the angle, above the horizontal, of the

stone’s initial velocity.

Answer in units of ◦

An artillery shell is ﬁred at an angle of 69.8

◦

above the horizontal ground with an initial

speed of 1930 m/s.

The acceleration of gravity is 9.8 m/s

2

.

Find the total time of ﬂight of the shell,

neglecting air resistance.

Answer in units of min

006 (part 2 of 2) 10.0 points

Find its horizontal range, neglecting air resistance.

Answer in units of km

007 10.0 points

A stone is thrown from ground level at 77 m/s.

Its speed when it reaches its highest point is

52 m/s.

Find the angle, above the horizontal, of the

stone’s initial velocity.

Answer in units of ◦

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