If you push the block across the table with a constant speed, which statement best describes the forces acting on the block? The horizontal pushing force is greater than the force of friction
b. The force of friction is greater than the pushing force
c. The friction force is equal to the pushing force but in the opposite direction
d. The friction force is equal to the pushing force and in the same direction

In which situation has the independent variable for the experiment been changed? check all that apply. changed from counting the number of duckweed at day 0 and day 14 to counting them every day changed from testing duckweed growth in beakers to testing duckweed growth in large outdoor tanks changed from testing the effect of ph on duckweed growth to testing the effect of light levels on duckweed growth changed from testing the effect of acid ph on duckweed growth to testing the effect of basic ph on duckweed growth

Awave is produced in a rope. the wave has a speed of 33 m/s and a frequency of 22 hz.

Two rigid transformations are used to map δhjk to δlmn. the first is a translation of vertex h to vertex l. what is the second transformation? a reflection across the line containing hk a rotation about point h a reflection across the line containing hj a rotation about point k