Physics, 06.05.2021 21:50 schoolwannapass
A baseball is thrown at 30° above the horizontal with a speed of 49.0 m/s.
a) Determine the x and y components of the velocity along the trajectory.
b) How long does it take for the ball to reach its maximum height?
c) What is the maximum height?
d) How long is the baseball in the air?
e) What is the maximum range of the baseball?
Answers: 2
Physics, 21.06.2019 23:10
A248-g piece of copper is dropped into 390 ml of water at 22.6 °c. the final temperature of the water was measured as 39.9 °c. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
Answers: 1
Physics, 22.06.2019 19:00
According to an observer on earth, planet x is stationary. maria and samir depart earth on their spaceships at the same time, each flying at 0.5c. maria flies toward planet x and samir flies in the opposite direction. according to maria, her voyage to planet x takes 9 years. how many years does maria's voyage take according to samir?
Answers: 3
Physics, 22.06.2019 22:30
Asailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5m/s2 for 4s. after the wind stops, the sailboat is traveling to the left with a velocity of 3.0m/s.assuming the acceleration from the wind is constant, what was the initial velocity of the sailboat before the gust of wind? answer using a coordinate system where rightward is positive.
Answers: 1
Physics, 23.06.2019 02:30
Atoms seldom exist as independent particles in nature a) as single particles, most atoms have low potential energy b) their electronegativity is much lower when they combine with other atoms c) atoms are more stable when they combine with other atoms d) neutral particles are rare
Answers: 2
A baseball is thrown at 30° above the horizontal with a speed of 49.0 m/s.
a) Determine the x and...
Mathematics, 15.04.2021 06:10
Social Studies, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10
Mathematics, 15.04.2021 06:10