Agolfer tees off and hits a golf ball at a speed of 31 m/s and at an angle of 35 degrees. how far did the ball travel before hitting the ground? round the answer to the nearest tenth of a meter.

Which notation is used to represent an alpha particle? a. b. c. d.

Aboat radioed a distress call to a coast guard station. at the time of the call, a vector a from the station to the boat had a magnitude of 45.0 km and was directed 15.0° east of north. a vector from the station to the point where the boat was later found is = 30.0 km, 15.0° north of east. what are the components of the vector from the point where the distress call was made to point where the boat was found? in other words, what are the components of vector c = b - a?

Am i correct on these two physics questions?