Under what conditions, is linear momentum conserved? Check all that apply. Group of answer choices There are no frictional forces.
The action of the force is instantaneous.
The net torque is minimal.
The net force vanishes.
The work done is positive.
Under what conditions, is linear momentum conserved? Check all that apply. Group of answer choices There...
Under what conditions, is linear momentum conserved? Check all that apply. a. There are no frictional forces. b. The work done is positive. c. The net torque is minimal. d. The net force vanishes. e. The action of the force is instantaneous.
Under what conditions is the momentum conserved in a collision a. It is always conserved. b. When it is an inelastic collision c. When the collision is very light. d. When the collision is totally elastic
what are the conditions under which the total momentum of a system of particles is conserved?
under what conditions is mechanical energy conserved? only when conservative forces are present Only when the net talk on a system is zero only when the net force on the system is zero mechanical Everly is always conserved
What makes a good extraction solvent? [check all that apply.] Group of answer choices Be (almost) immiscible with other the solvent used Exhibit high solubility for solute Exhibit low solubility for unwanted compounds/impurities Easily separates from compound after separation Does not react with the compounds Be highly flammable
Topic: collisions in two Dimensions 1- Under what conditions are momentum conserved? 2- How do quantitively characterize elastic and inelastic collisions? 3-Are collisions between steel balls are 100% elastic? 4- how do you graphically represent vectors that have errors? 5- how do you propagate the errors in vectors
Linear Momentum of an object is conserved At all times b. Only when the net external force on the object is Zero When the net external torque on the object is Zero d. Never A truck of mass 4000 (kg) is moving at 10 (m/s). A car of mass 1000 (kg) is moving at 40 (m/s). So, the truck’s momentum, compared to the car, is Greater b. Smaller c. the same d. Cannot say without knowing their accelerations A 1000...
Which of the following statements are false (check all that apply)? Group of answer choices: A> Debt holders have limited upside. B> Equity providers limit their downside by securing their investment with assets as collateral. C> Lenders have more involvement in a business in order to protect their capital. D> Debt is less risky to the business because the cost of capital is lower.
Which of the following is true regarding ᐃG? (mark all that apply) Group of answer choices When Keq is >> 1, ᐃG is large and negative When Keq is << 1, ᐃG is large and positive When Keq is << 1, ᐃG is small and positive When Keq is << 1, ᐃG is large and negative When Keq is >> 1, ᐃG is small and positive 2-Why is coupling of reactions an important biochemical mechanism to allow non-spontaneous reactions to...
Recombination signal sequences (RSSs) ______________________________. (Select all that apply.) Group of answer choices A.contain spacer sequences that are either 7 or 9 base pairs in length B. are located between the exons encoding the leader peptide and the V-region segments C. contain conserved DNA sequences that are recognized by enzymes that facilitate the cutting and rejoining of gene segments D. ensure that the gene segments undergoing somatic recombination are joined in the correct order