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Jasmine is sledding down a hill. Her total mass (including the sled) is 61.8 kg. When she reaches the bottom of the hill, and the
Jasmine is sledding down a hill. Her total mass (including the sled) is 61.8 kg. When she reaches the bottom of the hill, and the ground becomes level, she is moving at 5.90 m/s. The coefficient of friction between the sled and the ground is 0.151. How fast will Jasmine be moving 3.30 seconds after reaching the bottom of the slope? 4.33 m/s 1.01 m/s 0.91 m/s 2.38 m/sOn the surface of the Moon, the acceleration of gravity is 1.62 m/s'. The lunar module that landed there had a mass of 15, 200 kg. What is the weight of this rover on the surface of the Moon? 24, 600 N O 36, 600 N 15, 200 N 149, 000 NIf you are standing on the floor, and Earth's gravity is pulling you downward with a force of 726 N, what is the upward force that you are exerting on the Earth? .A 1.15 kg tee-shirt is red from a 35 kg tee-shirt eannon 1with a force of 55 N to the north. What is the force acting on the cannon? O 59 N to the south 0 55 N to the north 0 55 N to the south 0 59 N to the north Nelson is moving, and has a box filled with some of his belongings. The box has a mass of 35 kg, and the coefficient of friction between the box and the ground is 0.21. When the box is sliding, what is the magnitude of the force of friction? O 72 N O 61 N 35 N 7.4 NTatiana is pushing a loaded shopping cart. Ash she is pushing, the speed and direction of the cart are both constant. Which of the following statements accurately describes this situation? There are no forces acting on the cart at all. O The forces acting on the cart are imbalanced. O The cart has no inertia. O There is no net force acting on the cart.Renee is pulling her little sister through the snow on a sled. The sled has a total mass of 41.1 kg. In order to maintain a constant velocity, Renee must pull with a force of 35.5 N. What is the coefficient of kinetic friction between the sled and the snow. HK = 0.64 HK = 0.02 HK = 0.09 HK = 0.12Jody places a 1.04 kg block on an inclined plane. The plane is at an angle of 190 above the horizontal. If the block sits motionless on the plane, what is the force of friction acting on the block? 2.5 N 3.3 N 1.3 N 1.7 NRaul is on an airplane. At one point in the flight, he measures that his luggage has an apparent weight of 155 N. The actual weight of his luggage is 128 N. Which of the following best describes the vertical motion of the airplane? The airplane is accelerating upwards at 21.7 m/s2 The airplane is accelerating upwards at 2.07 m/s2 The airplane is accelerating downwards at 2.07 m/s2 The airplane is accelerating downwards at 21.7 m/s2. Grayson is in an elevator that is accelerating upward. Which of the following statements is accurate? His apparent weight is less than his actual weight. His apparent weight is greater than his actual weight. His actual weight and apparent weight are equal. His actual weight and apparent weight will both increase.[M4Pre_FBD2] The free body diagram above shows the forces acting on a 7.22 kg object. What is the acceleration vector that results from these forces? 6.88 m/s", 26.6" south of west 7.65 m/s', 9.450 north of west 5.92 m/s2, 23.3" west of north 7.73 m/s', 16.6" north of westA 1.10 kg tee-shirt is fired from a 35 kg tee-shirt cannon with a force of 125 N to the north. What is the acceleration of the tee-shirt? 65 m/s? to the south 65 m/s to the north 59 m/s to the south 59 m/s' to the north110 N 80 N X 30* 140 N Examine the free body diagram shown above. What is the net force on the object depicted in this diagram? O 88.0 N, 21.10 above the negative x-axis O 65.4 N, 38.9 above the positive -axis O 57.5 N, 44.1" above the negative x-axis O 330 N, 11.4" below the negative x-axisCody has built a model rocket, and launched it into the air. At one point, the model rocket's engine produces 39 N of force upwards, and the force of gravity on the rocket is 39 N downwards. If no other forces are acting on the rocket, which statement describes the rocket's motion at this point? The rocket's speed is increasing. The rocket is not changing speed or direction. The rocket's speed is decreasing. The rocket is moving at constant speed, but changing direction.Paula and her brother are moving bales of hay. At one point, the forces acting on a certain bale are the following: a gravitational force of 535 N downward, a normal force of 535 N upward, Paula's pulling force of 110 N northward, her brother's pulling force of 90 N northward, and a friction force of 200 southward. Which of the following statements is accurate? There is no net force acting on the bale. There is a net force of 200 N acting on the bale. There is a net force of 400 N acting on the bale. There is a net force of 1470 N acting on the bale.Aliyah is pushing a loaded shopping cart out to the car. She pushes with a force of 65.1 N, causing the cart to accelerate at a rate of 1.22 m/s". What is the mass of the loaded shopping cart? 51.1 kg 53.4 kg 47.6 kg 65.1 kgCollin places a 9.9 kg box on a 41 ramp. The box accelerates at a rate of 0.44 m/s. What is the coefficient of kinetic friction between the box and the ramp? 0.77 0.54 0.69 0.81. A 1.10 kg tee-shirt is fired from a 35 kg tee-shirt cannon with a force of 125 N to the north. What is the acceleration of the cannon? 3.6 m/s2 to the north 3.6 m/s2 to the south 32 m/s to the north 32 m/s to the south. A 21, 000 kg semi truck is traveling down the highway at a constant velocity of 29 m/s. The engine is producing 16, 000 N of force. What is the force of air resistance acting on the semi truck? 552 N in the same direction of the truck 21, 000 N in the same direction as the truck O 724 N in the opposite direction of the jet 16, 000 N in the opposite direction as the truckCarina is using a rope to pull her canoe out of the water. The canoe has a mass of 24.4 kg. If she pulls the canoe with a force of 55.0 N, what will be the boat's rate of acceleration? 1.61 m/s2 0.444 m/s2 2.25 m/s2 O 3.09 m/s2During football practice, several players are pushing on a device called a tackle dummy. The device weighs 3900 N, and the normal force acting on the device is also 3900 N. Three players push the device eastward at the same time, with respective forces of 210 N, 265 N, and 244 N. The force of friction is westward with a magnitude of 240 N. What is the net force on the tackle dummy. 479 N east 959 N east 4859 N west There is no net force acting on the tackle dummy.Sondra slides a 0.65 kg rock across a sheet of ice. The coefficient of kinetic friction between the rock and the ice is 0.11. What is the stone's rate of acceleration as it slides across the ice? -0.664 m/s2 -1.31 m/s2 -2.24 m/s2 -1.08 m/s2A certain car has a mass of 1730 kg. The coefficient of kinetic friction between the car's tires and the road is 0.78. If the car was to skid to a stop, what would the force of friction be while the car was sliding? OF = 1730 N OF = 13, 200 N OF = 15, 500 N OF = 17,000 NMalik is pushing a cart full of equipment across the physics classroom at his school. The cart has a mass of 65.5 kg. As he pushes, the cart accelerates at a rate of 0.334 Ff = /F, . How much force is Malik exerting on the cart? 65.5 N 21.9 N 196 N 643 N.Carric'a backpack has a mass cf 7114 kg. What is the weight of her backpack? 3 7.04 a
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