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An object that has a small mass and an object that has a large mass have the 1 point same kinetic energy. Which mass has the largest momentum? * The object that has a small mass ) The object that has a large mass O Both have the same kinetic energy Neither of the two objects In order to catch a ball, a baseball player naturally moves his or her hand backward in the direction of the ball's motion once the ball contacts the hand. This habit causes the force of impact on the players hand to be reduced in size principally because The resulting impact velocity is lessened )The momentum change is decreased O The time of impact is decreased )The time of impact is increasedA rock with density 1200 kg/m*3 is suspended from the lower end of a points light string. When the rock is in air, the tension in the string is 28.0 N. What is the tension in the string when the rock is totally immersed in a liquid with density 750 kg/m*3? * 10ON O 10. 5N O 110 N O 11.5 N What will happen to the speed of the ideal fluid if the cross-sectional area 1 point of the flow tube does not change? * Speed will not change Speed will increase Speed will decrease () There is not enough information givenLift is a mechanical aerodynamic force produced by the motion of the I point airplane through the air. The concept of this "lift" can be best illustrated in Pascal's Principle ) Bernoulli's Equation or Principle Archimedes' Principle ONone of the choices. The Geographical Location of the Philippines makes it prone to I point hydrometeorological hazards such as typhoon, Typhoon is associated with heavy rainfall and strong winds. What can we say about the pressures in areas experiencing Signal #3 compared to an area with Signal #1? * The area with SWS 3 has lower pressure compared to SWS 1 O The area with SWS 3 has higher pressure compared to SWS 1 O Both areas have the same pressure ) Not enough information was givenComplete the following statement: Bernoulli's principle is a statement of * 1 point O momentum conservation in dynamic fluids, O mechanical equilibrium in fluids. O hydrostatic equilibrium O energy conservation in dynamic fluids. Why is Bernoulli's equation applicable only to incompressible fluids? * I point O Incompressible fluid's speed increases when it enters a narrow section in order to maintain a constant volume flow rate O Incompressible fluid's speed increases when it enters a narrow section in order to maintain its energy O Incompressible fluid's speed decreases when it enters a narrow section in order to maintain a constant volume flow rate O Incompressible fluid's speed remains the same when it enters a narrow section in order to maintain a constant volume flow rateComplete the following statement: Bernoulli's principle is a statement of * 1 point O momentum conservation in dynamic fluids. C mechanical equilibrium in fluids. hydrostatic equilibrium O energy conservation in dynamic fluids. Why is Bernoulli's equation applicable only to incompressible fluids? " 1 point O Incompressible fluid's speed increases when it enters a narrow section in order to maintain a constant volume flow rate O Incompressible fluid's speed increases when it enters a narrow section in order to maintain its energy O Incompressible fluid's speed decreases when it enters a narrow section in order to maintain a constant volume flow rate O Incompressible fluid's speed remains the same when it enters a narrow section in order to maintain a constant volume flow rateA 15.00 kg object at rest experiences a 120.00 N force for a duration of 2 points 0.20 second. What is the final velocity of the object after the application of force?* 1.60 m/s 9.00 m/s 0.625 m/'s O 360.0 m/s Train cars are coupled together by being bumped into one another. 2 points Suppose two loaded train cars are moving toward one another, the first having a mass of 150.000 kg and a velocity of 0.300 m/s, and the second having a mass of 110.000 kg and a velocity of -0.120 m/s. (The minus indicates direction of motion.) What is their final velocity? " O 1.220 m/s 0.1220 m/s 122.0 m/sWhat determines whether a collision is elastic or inelastic? * 1 point The Kinetic Energy during collision The Mechanical Energy during collision The Forces acting during collision all of the above Force is associated with motion, while torque is associated with I point motion * O rotational ; linear O rotational ; rotational linear ; rotational linear ; linearIf the torque on an object adds up to zero * I point the forces on it also add up to zero, the object is at rest. the object cannot be turning the object could be both turning and accelerating linearly A heavy boy and a lightweight girl are balanced on a massless seesaw. If 1 point they both move forward so that they are one-half their original distance from the pivot point, what will happen to the seesaw? Assume that both people are small enough compared to the length of the seesaw to be thought of as point masses. " It is impossible to say without knowing the masses. It is impossible to say without knowing the distances. The side the boy is sitting on will tilt downward. Nothing will happen; the seesaw will still be balanced.Scuba divers are very cautious when they go to greater depths. Why is it | point 507 Greater depths mean greater pressure. )Greater depths decrease the force done by the fluid to your body. O Greater depths bloat your body. )Greater depths Increase your body mass. The small piston of a hydraulic lift has a radius of 8.5 cm, and its large 2 points piston has a radius of 12.5 cm. What is the pressure inside this lift. assuming that it is tightly sealed? * 228.2 Pa O 228.2 kPa 2.282 Pa 2.282 kPaConsider holding a ping-pong ball and a golf ball of the same size under 1 point water. Then release them both. The ping-pong ball will rise to the surface whereas the golf-ball will fall. Why? * The buoyant force is smaller on the golf ball than on the ping pong ball. O Both the buoyant force and the gravitational force are larger on the golf ball than on the ping-pong ball due to its greater mass. O The buoyant force is the same on both balls but less than the gravitational force for the golf ball and larger than the gravitational force for the ping-pong ball. More than one above is true. A boulder is thrown into a deep lake. As it sinks deeper and deeper into the 1 point water, does the buoyant force on it increase? " ) No, because of the weight of the boulder. ()No, because buoyant force does not depend on depth. ) Yes, because buoyant force increases as it goes deeper into the water, ) Yes, because of the weight of the boulder