A spring-powered launcher has a spring with a spring constant of 150 N/cm. The launcher is prepared to launch a projectile by compressing the spring by 5.00 cm. If the mass of the projectile is 5.00 grams, then what is the velocity of the projectile when it is launched from the launcher?
A. 90.6 m/s
B. 86.6 m/s
C. 75.5 m/s
D. 60.3 m/s
E. 56.6 m/s
B. 86.6 m/s
You might also like to view...
Why is a planet's thermosphere warm?
A) It absorbs x-rays. B) It absorbs infrared light. C) It absorbs visible light. D) It contains greenhouse gases. E) It absorbs ultraviolet light.
Where does the Kuiper belt lie?
a. between Mars and Jupiter b. between Uranus and Neptune c. between Neptune and Pluto d. in the region just beyond Neptune e. well beyond the orbits of the planets
An electron is known to be confined to a region of width 0.10 nm. What is an approximate expression for the least kinetic energy it could have, expressed in eV?
What will be an ideal response?
Which of the following stars would exhibit the largest amount of stellar parallax?
A) the star that is nearest to us B) the star that is farthest from us C) the star that is brightest in our sky D) the star that is dimmest in our sky E) the star that is moving at the highest speed relative to Earth