At a track meet, a runner runs the 100 m dash in 12 s. What was the runners speed? Answer in m/s ( answer with 2 significant figures)
Q: Mario is riding on his skateboard along a horizontal section of the pavement. If he encounters a…
A: The magnitude of the friction force is given as f=450 N
Q: A satellite is traveling through distant space with a speed of 19,000 km/hr. What will happen to the…
A: Solution: In space there is no air blanket due to which there is no air friction. So, when…
Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…
A: We need to say what the direction of friction will be on the coin on turntable.
Q: 1. An SUV hauling a trailer is travelling at 25 m/s when the driver hits the brakes. The 1.4 MT…
A: Force brings about motion and changes in it. This force produce acceleration and hence the changes…
Q: 20. Determine the force of gravitational attraction between a 67-kg father and his 12.8- kg son if…
A: Given data : Father mass m1 = 67 kg Son mass m2 = 12.8 kg Distance between father & son r =…
Q: What is the force by tension between the 3 kg bucket and the 7 kg bucket on the right? A 56.5 N
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: minimum coefficient of friction to prevent skidding
A:
Q: A 15kg-particle moves in xyz-plane experience a force of F=12N i - 20N j + 10N k . Determine the…
A:
Q: 1) Two athletes pull on a rope in a tug-of-war. Each pulls with a 430 N force. What is the resultant…
A: Given When to athletes pull a rope in tug of war with a force of 450 N and what is the resultant…
Q: Hi the last part is telling me it is wrong for the frictional force? im trying to solve but not sure…
A:
Q: A 40.82kg hunter ropes a 186.05 kg sleeping polar bear and pulls the bear towards him until the…
A: Center of mass is a point where the whole mass of the body is assume to be concentrated. For…
Q: A 10 g bullet leaves the 0.75 m barrel of a gun with 250 m/s speed. The force exerted on the bullet…
A:
Q: How much force will their friend feel if they are sitting 7.0 m on the opposite side of the seesaw?…
A:
Q: The force P of magnitude 50 kN is acting at 215° from the x-axis. Find the of P in u 157° from x,…
A:
Q: www R 52 V 40 ww 02 0.75 2 www 322 www R3 70 84 w
A: Ohm's law Ohm's law determines the relationship between current and potential difference. He says…
Q: A horizontal carousel is rotating around its axis with constant angular velocity w. On the carousel…
A: Step 1: here we have solved for question a Step 2: here we have solved for question b Step 3: nil…
Q: 1. Calculate the x-component of force 100 Ib. Assume positive to the right. O 40V5 Ib O 50 Ib None…
A:
Q: Same situation as in the previous problem this time the magnet has mass 5.13 kg, the force pulling…
A:
Q: If your mass on Earth is 55kg, what is your mass on the moon? a. 55kg c. 550 kg b. 55 N d. 550 N
A: Mass is always constant. Mass can not change. Weight change due to change of gravity.
Q: 9. A parachuter falls such that the air resistance is about one-eighth of his velocity. Assuming…
A: To determine: The total distance travelled after time, t=5 seconds. The air resistance is about…
Q: 1. A child stands on a bathroom scale while riding in an elevator. The child's weight when the…
A: Note: As per the guidelines, we can only answer first question of multiple question. Sorry for the…
Q: The following is a must when entering Physics Lab except Select one Oa long pants OD lab coat Oc.…
A: Given the list of important things which are needed to enter a physics lab out of which we should…
Q: The 86-m microwave transmission tower is steadied by three guy cables as shown. Cable AB carries a…
A:
Q: The system is in equilibrium and the pulleys are weightless and frictionless. The suspended mass is…
A: Step 1:Step 2:
Q: A 0.15 kg marble is on a track. It is being held at the top of a hill that is 10 m high. If it is…
A: According to the conservation of energy, energy of an isolated system is conserved. i.e. energy can…
Q: 3. Do the following: a. Hang a brick by means of a rope A, whose resistance is not very great. B. A…
A: Given. The rope A and B are made of the same material. It is necessary to clarify, (A) the reason…
Q: 1. Find all the forces on Qs. Q2 0.7 m 0.7 m 2 m 0.3 m 1.1 m Qs Q1 = Q3 = Qs = 4 x 10-6 C Q2 = Q4 =…
A: This problem is from Electrostatics. Let's solve this problem by using Coulomb's law. Please have a…
Q: The cart in the figure is attached to special spring that can stretch and compress equally well. The…
A:
Q: You are standing in a moving bus, facing forward, and you suddenly fall forward. This happens…
A: Inertia is defined as a property of matter by which it remains at the state of rest or in uniform…
Q: 14. A 3 kg shopping cart experiences a 12 N during a cart race. If the cart accelerates for 10 s,…
A:
Q: A physics student with mass 51kg slides in the snow (see figure). Find the velocity for each points…
A: Given: ha=100mhb=60 mhc=30mhd=60mhe=0m
Q: g. If your answer to f was yes, describe the equal and opposite force by answering these questions:…
A:
Q: A child of mass 43 kg stands on a scale inside an elevator. Select one or more: A. The scale…
A: Consider the acceleration of the elevator be a, and the speed of the elevator be v. Apply Newton’s…
Q: 10. How much horizontal force is needed to produce an acceleration of 8 m/sec² on a 75 kg box? A.…
A:
Q: A force of 30.0N reacted to a body whose weight is 9.00 N. What is its acceleration (m/s^2) * О 37.1…
A: Weight of the boy is (W) = mg = 9.0 N Force applied (F) = 30.0 N Let a be the acceleration of the…
Q: A person is trying to lift a box off the floor. The box has a mass of 55kg and the person can lift…
A: In this question a person is trying to lift a box of 55kg , with a force of 300 N.
Q: A 1200 kg car is moving at 30 m/s and comes up to a hill. How high can the car go up the hill before…
A: To solve the question, we will use the conservation of energy.
Q: 2. The only force acting on a 10-kg object has components Fx = 60 N and Fy = 80 N. Find the…
A:
Q: Find the equivalent resistance between points A and B shown in the figure (Figure 1). Consider R₁…
A:
Q: A 48.42kg hunter ropes a 167.82 kg sleeping polar bear and pulls the bear towards him until they…
A:
Q: A 250 gram block on a 30 deg inclined plane is attached by an inextensible string going over a…
A:
Q: 1A Vab
A:
Q: 5. Two masses slide along a friction-free horizontal bar. Slider A has a mass of 2 kg and slides to…
A:
Q: Math Review 3.4x102 m/s. 12. The speed of light traveling through air is 3.0x108 m/s, while the…
A: To find the time we will use the relation Time=Distance/speed
Q: 3. A motorcycle with a mass of 250 kg accelerates from rest to a velocity of 75 km/hr. over a length…
A: Mass = m = 250 kg Initial velocity = u = 0 km/h = 0 m/s Final velocity = v = 75 km/h = 20.83 m/s…
Please do it
Trending now
This is a popular solution!
Step by step
Solved in 2 steps