Misc



Item Name

A car with velocity 2.00 m/s at t = 0 accelerates at 4.00 m/s2 for 2.50 s. What

1. A car with velocity 2.00 m/s at t = 0 accelerates at 4.00 m/s2 for 2.50 s. What is its velocity at t = 2.50 s? 2. A truck moving at 30.0 km/h accelerates at a constant rate of 3.50 m/s2 for 6.80 s. Find its final velocity in km/h. 3. A bus accelerates from rest at a constant 5.50 m/s2. How long will it take to reach 28.0 m/s? 4. A motorcycle slows from 22.0 m/s to 3.00 m/s with constant...

A cart on wheels weighs 2400 N. The coefficient of rolling friction between the

1. A cart on wheels weighs 2400 N. The coefficient of rolling friction between the wheels and floor is 0.16. What force is needed to keep the cart rolling uniformly? 2. A wooden crate weighs 780 lb. What force is needed to start the crate sliding on a wooden floor when the coefficient of static friction is 0.40? 3. A piano weighs 4700 N. What force is needed to start the piano rolling across the...

A cell has an emf of 1.50 V and an internal resistance of 0.0450Ω. If there is

1. A cell has an emf of 1.50 V and an internal resistance of 0.0450Ω. If there is 0.250 A in the cell, what voltage is applied to the external circuit? 2. The voltage applied to a circuit is 11.8 V when the current through the battery is 0.500 A. If the internal resistance of the battery is 0.150Ω, what is the emf of the battery? 3. The emf of a battery is 12.0 V. If the internal resistance ...

A change in demand causes a ____ (movement along/shift of) the demand curve. A

1. A change in demand causes a ____ (movement along/shift of) the demand curve. A change in quantity demanded causes a ______ (movement along/ shift of ) the demand curve. 2. Circle the variables that change as we move along the demand curve for pencils and cross out those that are assumed to be fixed. Quantity of pencils demanded Number of consumers Price of pencils Price of pens Consumer income...

A change in supply causes a ______ (movement along/shift of) the supply curve.

1. A change in supply causes a ______ (movement along/shift of) the supply curve. A change in quantity supplied causes a ____ (movement along/shift of) the supply curve. 2. Circle the variables that change as we move along the supply curve for pencils and cross out those that are assumed to be fixed: Quantity of pencils supplied Price of wood Price of pencils Production technology 3. Arrow up or...

A coaxial cable consists of an inner conducting wire encased in an insulating m

1. A coaxial cable consists of an inner conducting wire encased in an insulating material surrounded by a conducting metal braid and another insulating sheath. The inner wire carries current in one direction, while the outer braid carries current in the opposite direction. Using Ampère’s right-hand rule, explain why there is no significant magnetic field outside the coaxial cable. (C...

A company has total assets of $500,000 and noncurrent assets of $400,000. Curre

1. A company has total assets of $500,000 and noncurrent assets of $400,000. Current liabilities are $40,000. What is the current ratio? a. 12.5 b. 10.0 c. 2.5 d. Cannot be determined without additional information. 2. Which of the following would not change the receivables turnover ratio for a retail company? a. Increases in the retail prices of inventory. b. A change in credit policy. c....

A company provided income statements for the past five years. In looking at the

1. A company provided income statements for the past five years. In looking at the percentage columns for each year, you notice that sales are 46 percent higher in year 5 than in year 1. The company has most likely provided a. A horizontal analysis using the prior period as the base year. b. A vertical analysis using sales as the base. c. A horizontal analysis using year 1 as the base year. d. A...

A company should report the marketable equity securities that it has classified

1. A company should report the marketable equity securities that it has classified as trading at: (a) Lower of cost or market, with holding gains and losses included in earnings. (b) Lower of cost or market, with holding gains included in earnings only to the extent of previously recognized holding losses. (c) Fair value, with holding gains included in earnings only to the extent of previously...

A computer manufacturer has two divisions: one serving residential customers an

1. A computer manufacturer has two divisions: one serving residential customers and one serving business customers. If an incentive conflict arises between the two divisions, how will overall company profits be affected? a. Profits will fall. b. Profits will rise. c. Profits may either rise or fall. d. The conflict has no potential to affect overall profit. 2. Joe runs the Service Division for a...