Physics, 20.10.2021 14:00 Jasmineemarieee
A 3.80 g bullet, traveling horizontally with a velocity of magnitude 400 m/s, is fired into a wooden block with mass 0.800 kg, initially at rest on a level surface. The bullet passes through the block and emerges with its speed reduced to 190 m/s. The block slides a distance of 72.0 cm along the surface from its initial position. Neglect the change of mass of the block during the interaction with the bullet, assume this interaction is momentary.
A. What is the coefficient of kinetic friction between block and surface?
B. What is the decrease in kinetic energy of the bullet?
C. What is the kinetic energy of the block at the instant after the bullet passes through it?
Answers: 2
Physics, 22.06.2019 04:20
The free body diagram shows a box being pulled to the left up a 25-degree incline. the magnitude of the normal force is
Answers: 1
Physics, 22.06.2019 14:40
Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion
Answers: 2
Physics, 22.06.2019 19:10
Global warming will produce rising sea levels partly due to melting ice caps but also due to the expansion of water as average ocean temperatures rise. to get some idea of the size of this effect, calculate the change in length (in m) of a column of water 1.45 km high for a temperature increase of 1.12°c. assume the column is not free to expand sideways. as a model of the ocean, that is a reasonable approximation, as only parts of the ocean very close to
Answers: 3
A 3.80 g bullet, traveling horizontally with a velocity of magnitude 400 m/s, is fired into a wooden...
Mathematics, 10.09.2021 02:40
Mathematics, 10.09.2021 02:40
History, 10.09.2021 02:40
Chemistry, 10.09.2021 02:40
Mathematics, 10.09.2021 02:40
Mathematics, 10.09.2021 02:40
Mathematics, 10.09.2021 02:40
Mathematics, 10.09.2021 02:40
Mathematics, 10.09.2021 02:50
English, 10.09.2021 02:50