A 1.41-kg cannon is loaded with a 59-gram tennis ball and placed on the floor. Mr. H adds the fuel, waits for its vapors to fill the reaction chamber and then brings a match nearby. The explosion propels the ball forward. A photogate measurement determines that the cannon recoiled backwards with a speed of 7.8 m/s. Determine the speed of the ball.
Answers: 1
Physics, 22.06.2019 07:50, babbybronx
Imagine you are standing in the antarctic during the southern hemisphere summer. the sky is clear and blue. there are no clouds in the sky. your shadow is cast on the icy ground. what is the color of the shadow?
Answers: 1
Physics, 22.06.2019 14:30, mangowammy
What conclusion can be made based on the temperature of soil when the light hits the soil at 0°, 45°, and 90° angles in section 2 of the experiment? did your results support your hypothesis? why or why not?
Answers: 1
Physics, 22.06.2019 18:30, ptrlvn01
Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?
Answers: 1
A 1.41-kg cannon is loaded with a 59-gram tennis ball and placed on the floor. Mr. H adds the fuel,...
Mathematics, 21.09.2020 04:01
English, 21.09.2020 04:01
Mathematics, 21.09.2020 04:01
Social Studies, 21.09.2020 04:01
Mathematics, 21.09.2020 04:01
History, 21.09.2020 04:01