48. John fires a projectile in a Uwindsor lab and notes that the 20.0g projectile travels 785 m/s. It then strikes a ball of clay and penetrates 24.5 cm into it. Based on this information, what would John calculate as the average force the projectile exerts on the clay? А. 2.07 x 105 N В. 1.97 x 104 С. 3.93 x 104 N D. 2.52 x 104 Е. 6.26 × 103 N

Q: 10. A 430 N force accelerates a cart from 10 m/s to 18 m/s in 5 s. What is the mass of the cart? a.…

A: Given: The force (F) on the cart is 430 N. The initial speed (u) of the cart is 10 m/s. The final…

Q: 2. A nonzero net force acts on an object. Which of the following quantities could be constant?…

A: When a nonzero force acts on body, the body gets an acceleration. When a body has acceleration this…

Q: 12. An 80.0 kg stuntman jumps out of a window that is 45 m above the ground. a. How fast is he…

A:

Q: 1. A cart of mass 8.00 kg was moved by applying two constant forces. Force 1 is 28.0 N at 42.0°, and…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A ball is dropped from a building 100 m high. If the mass of the ball is 10 grams, after what time…

A: The equation of motion can be used to find the unknown value of time and they can be given as,…

Q: The force acting on an object is given by F = (6x - 10) N, where x is in meters. b My Questions |…

A: The force Fx is given as, Fx=6x-10 N............ (1)

Q: A2.4 kg flower pot is resting on a shelf 10.0 meters above the floor. If the flower pot falls to the…

A:

Q: When a golf ball is dropped to the pavement, it bounces back up. (a) Is a force needed to make it…

A: A golf ball

Q: For how long a time must a tow truck pull with a force of 550 N on a stalled 1200 kg car to give it…

A:

Q: 42. A helicopter is hovering in the air. Its rotor blades propel 2500 kg of air vertically downwards…

A: Given : m = 2500 kg dt = 1 second  vo = 0 because the air initially at rest v = 15 m s-1

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

A:

Q: The average speed of a nitrogen molecule in air is about 6.7 x 10^2 m/s, and its mass is 4.68 x…

A:

Q: A 200 kgkg weather rocket is loaded with 100 kgkg of fuel and fired straight up. It accelerates…

A: Acceleration , a = 35 m/s2  Time , t = 32 s To find = rocket's maximum altitude

Q: 20. During a stormy season, winds can move horizontally at 30 m/s. If air strikes a person at the…

A: Given: The speed of the wind is 30 m/s. The strike rate is 40 kg/s.m2. The height of the person is…

Q: 4.0 kg block rests at the edge of a platform that is 20 m above level ground.  The block is launched…

A: Given Initial vertical displacement is y0=20 m Final vertical displacement is y=0 Initial vertical…

Q: 5. A 150 g baseball is dropped onto a squishy foam matt. The baseball is released 10 m above the top…

A:

Q: Q2/ Convert the following quantities from International System of Units (SI units) to (U.S.…

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Q: 1. A small engine causes a 0.30 kg model airplane to accelerate at a rate of 11 m/s2. What is the…

A: Given data The mass of the engine is given as m = 0.30 kg. The rate of acceleration is given as a =…

Q: 13. A force acts on a 2.7 kg object that moves along the x axis (see figure). If the velocity v̟ is…

A:

Q: Corey, whose mass is 95 kg, stands on a bathroom scale in an elevator. The scale reads 830 N for the…

A: Apply newton’s second law of motion along the motion of the lift,

Q: A toy rocket rises up in the air due to the force generated by the water. Given the…

A:

Q: A 50 N force is applied horizontally to a 10 kg block which is initially at rest (v. = 0) what is…

A: Given: The force applied is 50 N. The mass of the block is 10 kg. The initial velocity is 0 m/s. The…

Q: A 61 kg student runs at 5.5 m/s, grabs a hanging rope, and swings out over a lake. He releases the…

A: Given,  mass, m= 61 kg, initial velocity, u= 5.5 m/s, and length of the rope, l= 10 m.

Q: 1.  A racquetball is hit straight upward with an initial velocity of 222m/s. The mass of a…

A:

Q: A 70.0-kg man and a 55.0-kg woman holding a 2.50-kg purse on ice skates stand facing each other. If…

A: By Newton's second law of motion, Force = rate of change of momentum with time F = dp/dt

Q: he catapult hurls a stone of mass 32.0 g with a velocity of 50.0 m/s at a 30.0 angle of elevation.…

A: Given: Mass of the stone, m = 32.0 g = 0.032 kg. Velocity of the stone, u = 50 m/s. Angle of…

Q: If a force of 50.0 N acts on a 3.0 kg object for 2.0 seconds, what will its change in velocity be?…

A: Write the given values with the suitable variables. F=50 Nm=3 kgt=2 s Here, F is the force, m is the…

Q: A 92.5 kg stunt man stands on a piston that will launch him out of a vertical tube. The piston…

A:

Q: Starting from a standstill, Abi (mass = 55.00 kg) performs a vertical jump. a.) How much does Abi…

A: Mass of Abi is m = 55.00 kg

Q: A 1000 kg car was travelling at 45m/s when it hit a concrete wall due to drunk driving. Find the…

A: mass of car (m) = 1000 kg Initial velocity (u) = 45 msfinal velocity (v) = 0 mstime (t) = 0.5 sec

Q: A 30,000 kg freight car is coasting at 0.850 m/s with negligible friction under a hopper that dumps…

A:

Q: During a snowball fight, a 0.30-kilogram snowball traveling at a speed of 17.0 m/s hits a student in…

A:

Q: A15 kg object has velocity of V which it has a velocity of V object during this time interval? 5j…

A: Given: initial velocity, vi = 5j m/s final velocity, vs = 6i + 12j m/s time interval, t =  sec

Q: 1) A mighty Husky (dog) pulls on a 98 kg sled, initially at rest, with a force of 120 N for 15 s.…

A: Solution: Given that mass of sled m = 98 kg Force F = 120 N time t = 15 s

Q: 47.The component of the force (3i – j+2k)N in the direction the vector(-4j+3k) is A 10 в 9 A C 9 /5…

A:

Q: 1. A cart of mass 8.00 kg was moved by applying two constant forces. Force 1 is 28.0 N at 42.0°, and…

A:

Q: In a slap shot in hockey, the stick and puck are only in contact for 0.030 s. During this time, the…

A:

Q: A 475-gram ball is traveling horizontally at 12.0 m/s to the left when it is suddenly struck…

A:

Q: A 5 kg ball is thrown straight into the air at 6 m/s. How high does it travel? Use g = 9.8 m/s2

A: Here given a 5 kg ball is thrown upward straight to the air at 6 m/s. We have to calculate the…

Q: A 100. m E 38 m 20. m B What is the velocity of a car with a mass of 40 kg as it travels along the…

A: Mass of the Car is m = 40 kg Height of point A is HA = 100 m Height of point B is HB = 0 m Height of…

Q: Q4. An 80 kg stuntman jumps out of a window that is 45 m above the ground. (a) How fast is he…

A:

Q: 3. One newton is equivalent to: kg - m/s d) 1 kg / m a) 1 b) 1 kg - m/ s? e) 1 kg - m c) 1 kg - m² /…

A: Given Force acting on an object = 1 N We have to convert it into MKS system and choose the correct…

Q: A 100. m E D 38 m 20. m B What is the velocity of a car with a mass of 40 kg as it travels along the…

A: Given data The mass of the car is m = 40 kg The height at point A is hA = 100 m The height at point…

Q: A 2 kg ball is thrown straight into the air at 13 m/s. How high does it travel? Use  g = 9.8 m/s2

A: Mass of ball, m=2kg Initial speed of ball, v=13m/s Let maximum height achieved by ball be h.

Q: A pitcher throws a baseball with mass 0.2 kg straight upward with an initial speed of 20.0 m/s.…

A: Given, Mass of baseball, m=0.2 kg Initial speed,u=20 m/s Height,h=15 m

Q: A 2 kg ball Is thrown straight into the air at 9 m/s. How high does it travel? Use g=9.8 m/s2

A:

Q: A 0.450 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after…

A:

Q: 2. A glider with mass m = 0.200 kg sits on a frictionless horizontal air track, connected to a…

A:

Newton's Second Law

Newton’s laws of motion describe the relationship between the motion of an object and forces acting on it. Newton’s law of motion has two types as follows: