Physics, 31.12.2019 01:31 bookS4169

14. a person drives 100 km to his grandfather's house. on the
way to grandfather's, he drives half the time at 50 km/h and half
the time at 100 km/h. what is the total time of his trip?
a) 80 minutes.
b) 90 minutes.
c) 40 minutes.
d) 60 minutes.
e) 120 minutes.
the answer is a ,but when i solve it i get a. can you me ,

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 21.06.2019 17:30, Bladen6579

Abaseball picther can throw a ball at about 90 miles per hour, v = 40 m/s, on solid rock ground. we now put him into space. when he throws the ball, which weighs mb = 0.15 kg moves away from himat the same speed. how long does it take the ball thrown in space to travel the 30 meters to the batter? he weighs mp = 100kg

Answers: 1

continue

Physics, 22.06.2019 14:30, raoufhanna

A58-kg boy swings a baseball bat, which causes a 0.140-kg baseball to move toward third base with a velocity of 38.0 m/s.

Answers: 2

continue

Physics, 22.06.2019 17:00, ramos1997

Amajor difference radio waves, visible light, and gamma rays is the of the photons, which results in different photon frequencies and wavelengths

Answers: 1

continue

Physics, 22.06.2019 18:00, kachinafenton9098

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47

Answers: 2

continue

You know the right answer?

14. a person drives 100 km to his grandfather's house. on the
way to grandfather's, he drives h...