An arrow is shot at an angle 20 degrees from the horizontal. If its height is increasing at 250 km/hr, how fast is the arrow itself going? (Not the horizontal speed, but it's actual diagonal speed.)
Follows
•
1
Expert Answers
•1
![]()
09/05/22
Find the acceleration of the train, in m/s^2
You are stuck at a railroad crossing with nothing to do but watch the train cars roll by. You notice that one car takes 3.67 seconds to pass you, but the next car takes 3.27 seconds to pass you....
more
Follows
•
1
Expert Answers
•1
![]()
09/04/22
Find the refracted angle.
The refractive index of glass in 1.5. A ray of light is transmitted from air to glass at an angle of 42. Find the refracted angle.
Follows
•
1
Expert Answers
•1
![]()
Help me solve this
Two boats start together and race across a 58-km-wide lake and back. Boat A goes across at 58 km/h and returns at 58 km/h. Boat B goes across at 29 km/h, and its crew, realizing how far behind it...
more
Follows
•
1
Expert Answers
•1
![]()
08/30/22
Amazon is experimenting with drone delivery and you are asked to determine a drone's delivery route.
Amazon is experimenting with drone delivery and you are asked to determine a drone’s delivery route. The drone will leave the Amazon warehouse, make two deliveries, and then return to the...
more
Follows
•
1
Expert Answers
•2
![]()
![]()
Still looking for help? Get the right answer, fast.
Ask a question for free
Get a free answer to a quick problem.
Most questions answered within 4 hours.
OR
Find an Online Tutor Now
Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.